al río se ha caído
a río se habe cae
prepart n pro:refl aux part
al río se ha caído ?
a l WORD_BOUNDARY ɾ j o̞ WORD_BOUNDARY s e̞ WORD_BOUNDARY a WORD_BOUNDARY k a i d o̞ WORD_BOUNDARY
a l WORD_BOUNDARY r í o WORD_BOUNDARY s e WORD_BOUNDARY h a WORD_BOUNDARY c a í d o WORD_BOUNDARY ? WORD_BOUNDARY