on y est arrivé
on y être arriver
pro:sub pro:y v:aux part
on y est arrivé !
ɔ̃ n WORD_BOUNDARY i WORD_BOUNDARY ɛ t WORD_BOUNDARY a ʁ i v e WORD_BOUNDARY
o n WORD_BOUNDARY y WORD_BOUNDARY e s t WORD_BOUNDARY a r r i v é WORD_BOUNDARY