a ver si está en la caja
a ver si está en la caja .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY s i WORD_BOUNDARY e̞ s t a WORD_BOUNDARY e̞ n WORD_BOUNDARY l a WORD_BOUNDARY k a x a WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY s i WORD_BOUNDARY e s t á WORD_BOUNDARY e n WORD_BOUNDARY l a WORD_BOUNDARY c a j a WORD_BOUNDARY . WORD_BOUNDARY