In src/sage/combinat/words/morphism.py, there is the following code:

dom_alph.sort()

and

return FiniteWords(sorted(codom_alphabet))

These will break with #22029.

CC: @videlec

Component: combinatorics

Author: Sébastien Labbé

Branch/Commit: db81e7d

Reviewer: Jeroen Demeyer

Issue created by migration from https://trac.sagemath.org/ticket/26936