un perro quen era esta
un perro quen era esta ?
u m WORD_BOUNDARY p e r o WORD_BOUNDARY k e n WORD_BOUNDARY e ɾ a WORD_BOUNDARY e s t a WORD_BOUNDARY
u n WORD_BOUNDARY p e r r o WORD_BOUNDARY q u e n WORD_BOUNDARY e r a WORD_BOUNDARY e s t a WORD_BOUNDARY