tú pintaste una casa
tú pintaste una casa ?
t u WORD_BOUNDARY p i n t a s t e̞ WORD_BOUNDARY u n a WORD_BOUNDARY k a s a WORD_BOUNDARY
t ú WORD_BOUNDARY p i n t a s t e WORD_BOUNDARY u n a WORD_BOUNDARY c a s a WORD_BOUNDARY ? WORD_BOUNDARY