ah on ouvre han
ah on ouvrir han
co pro:sub v co
ah on ouvre han !
a WORD_BOUNDARY ɔ̃ n WORD_BOUNDARY u v ʁ WORD_BOUNDARY  ɑ̃ WORD_BOUNDARY
a h WORD_BOUNDARY o n WORD_BOUNDARY o u v r e WORD_BOUNDARY h a n WORD_BOUNDARY