| Σ | # | Presentation | Description | Related |
| 5 | 52 | ⟨a, b | aba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 6 | 102 | ⟨a, b | aaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 6 | 103 | ⟨a, b | aaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 205 | ⟨a, b | aaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 206 | ⟨a, b | aaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 213 | ⟨a, b | aabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 228 | ⟨a, b | ababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 248 | ⟨a, b | aaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 260 | ⟨a, b | abab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 261 | ⟨a, b | abab=aba⟩ | Infinite non-cancellative non-commutative monoid | |
| 7 | 266 | ⟨a, b | abba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 421 | ⟨a, b | aaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 422 | ⟨a, b | aaaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 429 | ⟨a, b | aaabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 430 | ⟨a, b | aaabaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 437 | ⟨a, b | aaabba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 448 | ⟨a, b | aababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 449 | ⟨a, b | aababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 455 | ⟨a, b | aabbaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 470 | ⟨a, b | abaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 500 | ⟨a, b | aaaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 516 | ⟨a, b | aabaa=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 530 | ⟨a, b | aabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 532 | ⟨a, b | aabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 535 | ⟨a, b | aabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 538 | ⟨a, b | abaab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 539 | ⟨a, b | abaab=aba⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 540 | ⟨a, b | abaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 542 | ⟨a, b | abaab=bab⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 548 | ⟨a, b | ababa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 554 | ⟨a, b | abbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 8 | 570 | ⟨a, b | abab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 875 | ⟨a, b | aaaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 876 | ⟨a, b | aaaaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 883 | ⟨a, b | aaaabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 884 | ⟨a, b | aaaabaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 899 | ⟨a, b | aaabaaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 906 | ⟨a, b | aaababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 907 | ⟨a, b | aaababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 930 | ⟨a, b | aabaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 931 | ⟨a, b | aabaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 938 | ⟨a, b | aababaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 972 | ⟨a, b | abaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 987 | ⟨a, b | abababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1018 | ⟨a, b | aaaaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1034 | ⟨a, b | aaabaa=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1037 | ⟨a, b | aaabaa=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1050 | ⟨a, b | aaabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1052 | ⟨a, b | aaabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1055 | ⟨a, b | aaabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1063 | ⟨a, b | aabaab=aba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1072 | ⟨a, b | aababa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1075 | ⟨a, b | aababa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1084 | ⟨a, b | aabbaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1096 | ⟨a, b | aabbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1098 | ⟨a, b | aabbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1101 | ⟨a, b | aabbba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1106 | ⟨a, b | abaaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1108 | ⟨a, b | abaaab=bab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1114 | ⟨a, b | abaaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1118 | ⟨a, b | ababab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1119 | ⟨a, b | ababab=aba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1124 | ⟨a, b | ababba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1125 | ⟨a, b | ababba=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1127 | ⟨a, b | ababba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1130 | ⟨a, b | abbaab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1166 | ⟨a, b | aaaba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1175 | ⟨a, b | aaaba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1199 | ⟨a, b | aabaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1226 | ⟨a, b | aabba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1233 | ⟨a, b | aabba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1240 | ⟨a, b | abaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1243 | ⟨a, b | abaab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1248 | ⟨a, b | abaab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1257 | ⟨a, b | ababa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1259 | ⟨a, b | ababa=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1269 | ⟨a, b | abbba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 9 | 1271 | ⟨a, b | abbba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1827 | ⟨a, b | aaaaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1828 | ⟨a, b | aaaaaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1835 | ⟨a, b | aaaaabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1836 | ⟨a, b | aaaaabaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1851 | ⟨a, b | aaaabaaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1852 | ⟨a, b | aaaabaaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1859 | ⟨a, b | aaaababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1860 | ⟨a, b | aaaababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1886 | ⟨a, b | aaabaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1887 | ⟨a, b | aaabaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1894 | ⟨a, b | aaababaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1895 | ⟨a, b | aaababaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1902 | ⟨a, b | aaababba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1916 | ⟨a, b | aaabbaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1941 | ⟨a, b | aabaaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1948 | ⟨a, b | aabaabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1963 | ⟨a, b | aabababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1964 | ⟨a, b | aabababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1970 | ⟨a, b | aababbaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 1971 | ⟨a, b | aababbaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2024 | ⟨a, b | abaaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2039 | ⟨a, b | abaababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2040 | ⟨a, b | abaababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2106 | ⟨a, b | aaaaaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2122 | ⟨a, b | aaaabaa=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2125 | ⟨a, b | aaaabaa=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2138 | ⟨a, b | aaaabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2140 | ⟨a, b | aaaabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2143 | ⟨a, b | aaaabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2154 | ⟨a, b | aaabaaa=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2170 | ⟨a, b | aaababa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2173 | ⟨a, b | aaababa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2186 | ⟨a, b | aaabbaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2189 | ⟨a, b | aaabbaa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2200 | ⟨a, b | aaabbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2202 | ⟨a, b | aaabbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2205 | ⟨a, b | aaabbba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2216 | ⟨a, b | aabaaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2218 | ⟨a, b | aabaaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2219 | ⟨a, b | aabaaba=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2221 | ⟨a, b | aabaaba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2234 | ⟨a, b | aababaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2248 | ⟨a, b | aababba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2251 | ⟨a, b | aababba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2264 | ⟨a, b | aabbaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2267 | ⟨a, b | aabbaba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2272 | ⟨a, b | aabbbaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2284 | ⟨a, b | aabbbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2294 | ⟨a, b | abaaaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2296 | ⟨a, b | abaaaab=bab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2302 | ⟨a, b | abaaaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2306 | ⟨a, b | abaabab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2308 | ⟨a, b | abaabab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2310 | ⟨a, b | abaabab=bab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2314 | ⟨a, b | abaabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2316 | ⟨a, b | abaabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2319 | ⟨a, b | abaabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2323 | ⟨a, b | ababaab=aba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2324 | ⟨a, b | ababaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2332 | ⟨a, b | abababa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2336 | ⟨a, b | ababbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2338 | ⟨a, b | ababbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2339 | ⟨a, b | ababbba=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2346 | ⟨a, b | abbaaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2352 | ⟨a, b | abbabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2354 | ⟨a, b | abbabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2390 | ⟨a, b | aaaaba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2399 | ⟨a, b | aaaaba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2422 | ⟨a, b | aaabaa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2423 | ⟨a, b | aaabaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2425 | ⟨a, b | aaabaa=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2454 | ⟨a, b | aaabba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2456 | ⟨a, b | aaabba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2458 | ⟨a, b | aaabba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2463 | ⟨a, b | aaabba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2480 | ⟨a, b | aabaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2481 | ⟨a, b | aabaab=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2482 | ⟨a, b | aabaab=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2485 | ⟨a, b | aabaab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2488 | ⟨a, b | aabaab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2498 | ⟨a, b | aababa=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2500 | ⟨a, b | aababa=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2505 | ⟨a, b | aababa=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2522 | ⟨a, b | aabbaa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2523 | ⟨a, b | aabbaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2524 | ⟨a, b | aabbaa=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2525 | ⟨a, b | aabbaa=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2550 | ⟨a, b | aabbba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2552 | ⟨a, b | aabbba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2554 | ⟨a, b | aabbba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2561 | ⟨a, b | aabbba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2564 | ⟨a, b | abaaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2567 | ⟨a, b | abaaab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2569 | ⟨a, b | abaaab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2581 | ⟨a, b | abaaba=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2583 | ⟨a, b | abaaba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2590 | ⟨a, b | ababab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2593 | ⟨a, b | ababab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2602 | ⟨a, b | ababba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2606 | ⟨a, b | ababba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2611 | ⟨a, b | ababba=bbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2613 | ⟨a, b | ababba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2616 | ⟨a, b | abbaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2619 | ⟨a, b | abbaab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2621 | ⟨a, b | abbaab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2629 | ⟨a, b | abbbba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2631 | ⟨a, b | abbbba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2673 | ⟨a, b | abaab=aabaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2677 | ⟨a, b | abaab=abaaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2686 | ⟨a, b | ababa=abaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2708 | ⟨a, b | abbab=abaaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2711 | ⟨a, b | abbab=abbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 10 | 2720 | ⟨a, b | abbba=abaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3841 | ⟨a, b | aaaaaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3842 | ⟨a, b | aaaaaaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3849 | ⟨a, b | aaaaaabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3850 | ⟨a, b | aaaaaabaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3865 | ⟨a, b | aaaaabaaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3866 | ⟨a, b | aaaaabaaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3873 | ⟨a, b | aaaaababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3874 | ⟨a, b | aaaaababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3897 | ⟨a, b | aaaabaaaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3904 | ⟨a, b | aaaabaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3905 | ⟨a, b | aaaabaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3912 | ⟨a, b | aaaababaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3913 | ⟨a, b | aaaababaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3936 | ⟨a, b | aaaabbaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3960 | ⟨a, b | aaabaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3961 | ⟨a, b | aaabaaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3968 | ⟨a, b | aaabaabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3969 | ⟨a, b | aaabaabaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3984 | ⟨a, b | aaababaaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3991 | ⟨a, b | aaabababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 3992 | ⟨a, b | aaabababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4024 | ⟨a, b | aaabbabaa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4067 | ⟨a, b | aabaaaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4074 | ⟨a, b | aabaaabaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4089 | ⟨a, b | aabaababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4090 | ⟨a, b | aabaababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4113 | ⟨a, b | aababaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4114 | ⟨a, b | aababaaba=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4121 | ⟨a, b | aabababaa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4230 | ⟨a, b | abaaaaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4245 | ⟨a, b | abaaababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4246 | ⟨a, b | abaaababa=ba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4261 | ⟨a, b | abaabaaba=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4300 | ⟨a, b | ababababa=ab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4376 | ⟨a, b | aaaaaaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4392 | ⟨a, b | aaaaabaa=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4395 | ⟨a, b | aaaaabaa=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4408 | ⟨a, b | aaaaabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4410 | ⟨a, b | aaaaabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4413 | ⟨a, b | aaaaabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4424 | ⟨a, b | aaaabaaa=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4427 | ⟨a, b | aaaabaaa=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4442 | ⟨a, b | aaaababa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4445 | ⟨a, b | aaaababa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4458 | ⟨a, b | aaaabbaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4461 | ⟨a, b | aaaabbaa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4472 | ⟨a, b | aaaabbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4474 | ⟨a, b | aaaabbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4477 | ⟨a, b | aaaabbba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4492 | ⟨a, b | aaabaaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4494 | ⟨a, b | aaabaaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4495 | ⟨a, b | aaabaaba=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4497 | ⟨a, b | aaabaaba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4510 | ⟨a, b | aaababaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4513 | ⟨a, b | aaababaa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4524 | ⟨a, b | aaababba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4526 | ⟨a, b | aaababba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4529 | ⟨a, b | aaababba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4538 | ⟨a, b | aaabbaaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4550 | ⟨a, b | aaabbaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4552 | ⟨a, b | aaabbaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4555 | ⟨a, b | aaabbaba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4568 | ⟨a, b | aaabbbaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4571 | ⟨a, b | aaabbbaa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4582 | ⟨a, b | aaabbbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4598 | ⟨a, b | aabaaaba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4600 | ⟨a, b | aabaaaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4601 | ⟨a, b | aabaaaba=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4603 | ⟨a, b | aabaaaba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4614 | ⟨a, b | aabaabaa=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4616 | ⟨a, b | aabaabaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4628 | ⟨a, b | aabaabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4630 | ⟨a, b | aabaabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4633 | ⟨a, b | aabaabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4646 | ⟨a, b | aabababa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4649 | ⟨a, b | aabababa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4658 | ⟨a, b | aababbaa=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4661 | ⟨a, b | aababbaa=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4674 | ⟨a, b | aababbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4690 | ⟨a, b | aabbaaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4693 | ⟨a, b | aabbaaba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4710 | ⟨a, b | aabbabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4713 | ⟨a, b | aabbabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4726 | ⟨a, b | aabbbaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4729 | ⟨a, b | aabbbaba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4746 | ⟨a, b | aabbbbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4748 | ⟨a, b | aabbbbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4756 | ⟨a, b | abaaaaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4758 | ⟨a, b | abaaaaab=bab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4764 | ⟨a, b | abaaaaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4770 | ⟨a, b | abaaabab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4772 | ⟨a, b | abaaabab=bab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4776 | ⟨a, b | abaaabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4778 | ⟨a, b | abaaabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4781 | ⟨a, b | abaaabba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4784 | ⟨a, b | abaabaab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4785 | ⟨a, b | abaabaab=aba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4786 | ⟨a, b | abaabaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4800 | ⟨a, b | abaabbab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4804 | ⟨a, b | abaabbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4806 | ⟨a, b | abaabbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4814 | ⟨a, b | ababaaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4820 | ⟨a, b | abababab=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4821 | ⟨a, b | abababab=aba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4826 | ⟨a, b | abababba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4834 | ⟨a, b | ababbaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4842 | ⟨a, b | ababbaba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4846 | ⟨a, b | ababbbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4848 | ⟨a, b | ababbbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4849 | ⟨a, b | ababbbba=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4856 | ⟨a, b | abbaaaab=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4862 | ⟨a, b | abbaabba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4864 | ⟨a, b | abbaabba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4872 | ⟨a, b | abbabbba=aab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4874 | ⟨a, b | abbabbba=abb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4875 | ⟨a, b | abbabbba=baa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4877 | ⟨a, b | abbabbba=bba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4916 | ⟨a, b | aaaaaba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4925 | ⟨a, b | aaaaaba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4948 | ⟨a, b | aaaabaa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4949 | ⟨a, b | aaaabaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4951 | ⟨a, b | aaaabaa=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4980 | ⟨a, b | aaaabba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4982 | ⟨a, b | aaaabba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4984 | ⟨a, b | aaaabba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 4989 | ⟨a, b | aaaabba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5012 | ⟨a, b | aaabaaa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5013 | ⟨a, b | aaabaaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5038 | ⟨a, b | aaababa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5040 | ⟨a, b | aaababa=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5042 | ⟨a, b | aaababa=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5047 | ⟨a, b | aaababa=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5070 | ⟨a, b | aaabbaa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5071 | ⟨a, b | aaabbaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5072 | ⟨a, b | aaabbaa=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5073 | ⟨a, b | aaabbaa=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5081 | ⟨a, b | aaabbaa=bbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5102 | ⟨a, b | aaabbba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5104 | ⟨a, b | aaabbba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5106 | ⟨a, b | aaabbba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5108 | ⟨a, b | aaabbba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5111 | ⟨a, b | aaabbba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5113 | ⟨a, b | aaabbba=bbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5115 | ⟨a, b | aaabbba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5118 | ⟨a, b | aabaaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5119 | ⟨a, b | aabaaab=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5120 | ⟨a, b | aabaaab=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5121 | ⟨a, b | aabaaab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5123 | ⟨a, b | aabaaab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5126 | ⟨a, b | aabaaab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5136 | ⟨a, b | aabaaba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5143 | ⟨a, b | aabaaba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5167 | ⟨a, b | aababaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5168 | ⟨a, b | aababaa=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5169 | ⟨a, b | aababaa=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5192 | ⟨a, b | aababba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5194 | ⟨a, b | aababba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5198 | ⟨a, b | aababba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5201 | ⟨a, b | aababba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5205 | ⟨a, b | aababba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5208 | ⟨a, b | aabbaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5210 | ⟨a, b | aabbaab=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5213 | ⟨a, b | aabbaab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5216 | ⟨a, b | aabbaab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5224 | ⟨a, b | aabbaba=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5226 | ⟨a, b | aabbaba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5230 | ⟨a, b | aabbaba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5233 | ⟨a, b | aabbaba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5237 | ⟨a, b | aabbaba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5240 | ⟨a, b | aabbbaa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5241 | ⟨a, b | aabbbaa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5242 | ⟨a, b | aabbbaa=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5245 | ⟨a, b | aabbbaa=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5268 | ⟨a, b | aabbbba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5270 | ⟨a, b | aabbbba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5272 | ⟨a, b | aabbbba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5275 | ⟨a, b | aabbbba=baba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5279 | ⟨a, b | aabbbba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5282 | ⟨a, b | abaaaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5285 | ⟨a, b | abaaaab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5287 | ⟨a, b | abaaaab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5290 | ⟨a, b | abaaaab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5294 | ⟨a, b | abaaaab=bbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5299 | ⟨a, b | abaaaba=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5301 | ⟨a, b | abaaaba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5308 | ⟨a, b | abaabab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5311 | ⟨a, b | abaabab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5313 | ⟨a, b | abaabab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5314 | ⟨a, b | abaabab=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5316 | ⟨a, b | abaabab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5320 | ⟨a, b | abaabab=bbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5326 | ⟨a, b | abaabba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5328 | ⟨a, b | abaabba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5330 | ⟨a, b | abaabba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5331 | ⟨a, b | abaabba=baaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5335 | ⟨a, b | abaabba=bbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5337 | ⟨a, b | abaabba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5340 | ⟨a, b | ababaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5343 | ⟨a, b | ababaab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5346 | ⟨a, b | ababaab=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5348 | ⟨a, b | ababaab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5352 | ⟨a, b | ababaab=bbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5356 | ⟨a, b | abababa=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5357 | ⟨a, b | abababa=aaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5358 | ⟨a, b | abababa=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5359 | ⟨a, b | abababa=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5361 | ⟨a, b | abababa=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5368 | ⟨a, b | ababbba=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5370 | ⟨a, b | ababbba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5372 | ⟨a, b | ababbba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5377 | ⟨a, b | ababbba=bbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5379 | ⟨a, b | ababbba=bbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5382 | ⟨a, b | abbaaab=aaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5384 | ⟨a, b | abbaaab=aabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5385 | ⟨a, b | abbaaab=abaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5387 | ⟨a, b | abbaaab=abba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5388 | ⟨a, b | abbaaab=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5390 | ⟨a, b | abbaaab=baab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5394 | ⟨a, b | abbaaab=bbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5403 | ⟨a, b | abbabba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5411 | ⟨a, b | abbbbba=abab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5413 | ⟨a, b | abbbbba=abbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5470 | ⟨a, b | aaaaba=aaaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5487 | ⟨a, b | aaaaba=baaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5535 | ⟨a, b | aaabaa=aaaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5600 | ⟨a, b | aaabba=aaabb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5602 | ⟨a, b | aaabba=aabab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5615 | ⟨a, b | aaabba=baaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5619 | ⟨a, b | aaabba=babba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5646 | ⟨a, b | aabaab=aaaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5649 | ⟨a, b | aabaab=aabaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5650 | ⟨a, b | aabaab=aabab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5651 | ⟨a, b | aabaab=aabba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5653 | ⟨a, b | aabaab=abaaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5654 | ⟨a, b | aabaab=abaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5662 | ⟨a, b | aabaab=baaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5670 | ⟨a, b | aabaab=bbaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5682 | ⟨a, b | aababa=aabab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5695 | ⟨a, b | aababa=baaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5699 | ⟨a, b | aababa=babba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5731 | ⟨a, b | aabbaa=aabba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5784 | ⟨a, b | aabbba=aabbb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5786 | ⟨a, b | aabbba=abaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5788 | ⟨a, b | aabbba=ababb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5790 | ⟨a, b | aabbba=abbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5795 | ⟨a, b | aabbba=baaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5799 | ⟨a, b | aabbba=babba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5810 | ⟨a, b | abaaab=aaaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5813 | ⟨a, b | abaaab=aabaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5817 | ⟨a, b | abaaab=abaaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5819 | ⟨a, b | abaaab=ababa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5823 | ⟨a, b | abaaab=abbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5826 | ⟨a, b | abaaab=baaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5830 | ⟨a, b | abaaab=babab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5834 | ⟨a, b | abaaab=bbaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5838 | ⟨a, b | abaaab=bbbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5843 | ⟨a, b | abaaba=aaaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5845 | ⟨a, b | abaaba=aabaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5849 | ⟨a, b | abaaba=abaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5866 | ⟨a, b | ababab=aabab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5868 | ⟨a, b | ababab=abaaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5870 | ⟨a, b | ababab=ababa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5871 | ⟨a, b | ababab=abbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5872 | ⟨a, b | ababab=abbba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5886 | ⟨a, b | ababba=abaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5888 | ⟨a, b | ababba=ababb⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5890 | ⟨a, b | ababba=abbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5895 | ⟨a, b | ababba=baaba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5899 | ⟨a, b | ababba=babba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5915 | ⟨a, b | abbaab=aabba⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5918 | ⟨a, b | abbaab=ababa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5919 | ⟨a, b | abbaab=abbaa⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5933 | ⟨a, b | abbbba=abaab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5936 | ⟨a, b | abbbba=abbab⟩ | Infinite non-cancellative non-commutative monoid | |
| 11 | 5938 | ⟨a, b | abbbba=abbbb⟩ | Infinite non-cancellative non-commutative monoid | |