Morphocompletion for #4331 ⟨a, b | abbaaabba=bb

Solved by morph:5/0. (See Morphocompletion.)

Step 1

Checking up to 20 rules for overlaps.

Rewriting system is not complete: rulesLimit

#Rule
1. abbaabb ⇒ bbaabba
2. abbaaabba ⇒ bb
3. bbaabbaaaabba ⇒ abbabb
4. bbaabbaaaaabba ⇒ aabbabb
5. abbbbabb ⇒ bbabbbba
6. abbbbaabbaa ⇒ bbaabbaaabb
7. abbabbabb ⇒ bbabbabba
8. abbaaabbbb ⇒ bbbbaaabba
9. bbabbbbaaaabba ⇒ abbbbbb
...

Collecting factors up to length 8, frequency 7:

Length 2:[2/0] bb, [2/1] ab, [2/2] ba, [2/3] aa
Length 3:[3/0] abb, [3/1] bba, [3/2] baa, [3/3] bbb, [3/4] aab, [3/5] aaa, [3/6] bab
Length 4:[4/0] abba, [4/1] bbaa, [4/2] aabb, [4/3] abbb, [4/4] babb, [4/5] bbbb, [4/6] bbab
Length 5:[5/0] aabba, [5/1] abbaa, [5/2] abbbb, [5/3] bbabb, [5/4] bbaab, [5/5] baabb, [5/6] aaabb
Length 6:[6/0] aaabba, [6/1] bbaabb, [6/2] abbaaa, [6/3] abbbba, [6/4] abbabb, [6/5] aabbaa, [6/6] baabba
Length 7:[7/0] aaaabba, [7/1] bbaabba, [7/2] abbaaab, [7/3] baabbaa, [7/4] abbbbaa, [7/5] bbabbbb, [7/6] bbbbabb

Considering [length 5 / frequency 0] aabba=c.

Step 2

Rewriting system is complete. See a, b | abbaaabba=bb.