The mapping is from the listed presentation's alphabet to the current rewriting system's alphabet.
15 total
| Σ | # | Presentation | Mapping |
| 9 | 1359 | ⟨a, b | aaab=b, bbbb=1⟩ | φ(a) = a, φ(b) = b |
| 9 | 2442 | ⟨a, b | aaa=1, abbbb=a⟩ | φ(a) = a, φ(b) = b |
| 10 | 7223 | ⟨a, b | aaa=1, aaabbbb=1⟩ | φ(a) = a, φ(b) = b |
| 10 | 7236 | ⟨a, b | aaa=1, aabbbba=1⟩ | φ(a) = a, φ(b) = b |
| 10 | 7263 | ⟨a, b | aaa=1, baaabbb=1⟩ | φ(a) = a, φ(b) = b |
| 10 | 7274 | ⟨a, b | aaa=1, bbaaabb=1⟩ | φ(a) = a, φ(b) = b |
| 10 | 8090 | ⟨a, b | aaa=1, bbbb=aaa⟩ | φ(a) = a, φ(b) = b |
| 11 | 16567 | ⟨a, b | aaaa=1, aaaabbb=1⟩ | φ(a) = b, φ(b) = a |
| 11 | 16574 | ⟨a, b | aaaa=1, aaabbba=1⟩ | φ(a) = b, φ(b) = a |
| 11 | 16586 | ⟨a, b | aaaa=1, aabbbaa=1⟩ | φ(a) = b, φ(b) = a |
| 11 | 16613 | ⟨a, b | aaaa=1, baaaabb=1⟩ | φ(a) = b, φ(b) = a |
| 11 | 17642 | ⟨a, b | aaaa=1, aabbb=aa⟩ | φ(a) = b, φ(b) = a |
| 11 | 17661 | ⟨a, b | aaaa=1, abbba=aa⟩ | φ(a) = b, φ(b) = a |
| 11 | 22246 | ⟨a, b | aaa=1, aabbbb=aa⟩ | φ(a) = a, φ(b) = b |
| 11 | 22285 | ⟨a, b | aaa=1, abbbba=aa⟩ | φ(a) = a, φ(b) = b |