Infinite non-commutative monoids, two auxiliary generators

6 unique, 6 total

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82a, b | baababa=aInfinite non-commutative monoid
103a, b | baabababa=aInfinite non-commutative monoid
124a, b | baababababa=aInfinite non-commutative monoid
145a, b | baabababababa=aInfinite non-commutative monoid
166a, b | baababababababa=aInfinite non-commutative monoid
187a, b | baabababababababa=aInfinite non-commutative monoid