sí tú sabes usarla
sí tú sabes usarla ?
s i WORD_BOUNDARY t u WORD_BOUNDARY s a β e̞ s WORD_BOUNDARY u s a ɾ l a WORD_BOUNDARY
s í WORD_BOUNDARY t ú WORD_BOUNDARY s a b e s WORD_BOUNDARY u s a r l a WORD_BOUNDARY ? WORD_BOUNDARY