si se tropiezan
si se tropeza
conj pro:refl v
si se tropiezan ?
s i WORD_BOUNDARY s e̞ WORD_BOUNDARY t ɾ o̞ p j e̞ s a n WORD_BOUNDARY
s i WORD_BOUNDARY s e WORD_BOUNDARY t r o p i e z a n WORD_BOUNDARY ? WORD_BOUNDARY