il faut faire un
il falloir faire un
pro:sub v:mdl v:mdl pro
il faut faire un .
i l WORD_BOUNDARY f o WORD_BOUNDARY f ɛ ʁ WORD_BOUNDARY œ̃ WORD_BOUNDARY
i l WORD_BOUNDARY f a u t WORD_BOUNDARY f a i r e WORD_BOUNDARY u n WORD_BOUNDARY