ah ben il est tombé
ah ben il être tomber
co co pro:sub v:aux part
ah ben il est tombé .
a WORD_BOUNDARY b ɛ n WORD_BOUNDARY i l WORD_BOUNDARY ɛ WORD_BOUNDARY t ɔ̃ b e WORD_BOUNDARY
a h WORD_BOUNDARY b e n WORD_BOUNDARY i l WORD_BOUNDARY e s t WORD_BOUNDARY t o m b é WORD_BOUNDARY