il y a du pain
il y avoir de pain
pro:sub pro:y v:aux prep n
il y a du pain ?
i l WORD_BOUNDARY i WORD_BOUNDARY a WORD_BOUNDARY d y WORD_BOUNDARY p ɛ̃ WORD_BOUNDARY
i l WORD_BOUNDARY y WORD_BOUNDARY a WORD_BOUNDARY d u WORD_BOUNDARY p a i n WORD_BOUNDARY