il joue au train
il joue à train
pro:sub n prep n
il joue au train .
i l WORD_BOUNDARY ʒ u WORD_BOUNDARY o WORD_BOUNDARY t ʁ ɛ̃ WORD_BOUNDARY
i l WORD_BOUNDARY j o u e WORD_BOUNDARY a u WORD_BOUNDARY t r a i n WORD_BOUNDARY