abre la puerta Irene
abre la puerta irene ?
a β ɾ e WORD_BOUNDARY l a WORD_BOUNDARY p w e ɾ t a WORD_BOUNDARY i ɾ e n e WORD_BOUNDARY
a b r e WORD_BOUNDARY l a WORD_BOUNDARY p u e r t a WORD_BOUNDARY i r e n e WORD_BOUNDARY