a ver abre la puerta
a ver abre la puerta .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY a β ɾ e̞ WORD_BOUNDARY l a WORD_BOUNDARY p w e̞ ɾ t a WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY a b r e WORD_BOUNDARY l a WORD_BOUNDARY p u e r t a WORD_BOUNDARY . WORD_BOUNDARY