se ha caído al suelo
se ha caído al suelo ?
s e WORD_BOUNDARY a WORD_BOUNDARY k a i ð o WORD_BOUNDARY a l WORD_BOUNDARY s w e l o WORD_BOUNDARY
s e WORD_BOUNDARY h a WORD_BOUNDARY c a í d o WORD_BOUNDARY a l WORD_BOUNDARY s u e l o WORD_BOUNDARY