bueno es que es dificil
bueno es que es dificil .
b w e n o WORD_BOUNDARY e s WORD_BOUNDARY k e WORD_BOUNDARY e s WORD_BOUNDARY ð i f i θ i l WORD_BOUNDARY
b u e n o WORD_BOUNDARY e s WORD_BOUNDARY q u e WORD_BOUNDARY e s WORD_BOUNDARY d i f i c i l WORD_BOUNDARY