esta es la casa de
esta es la casa de ?
e̞ s t a WORD_BOUNDARY e̞ s WORD_BOUNDARY l a WORD_BOUNDARY k a s a WORD_BOUNDARY d e̞ WORD_BOUNDARY
e s t a WORD_BOUNDARY e s WORD_BOUNDARY l a WORD_BOUNDARY c a s a WORD_BOUNDARY d e WORD_BOUNDARY ? WORD_BOUNDARY