mm qué es difícil no
mm qué es difícil no ?
e m e ɛ m e WORD_BOUNDARY k e WORD_BOUNDARY e s WORD_BOUNDARY ð i f i θ i l WORD_BOUNDARY n o WORD_BOUNDARY
m m WORD_BOUNDARY q u é WORD_BOUNDARY e s WORD_BOUNDARY d i f í c i l WORD_BOUNDARY n o WORD_BOUNDARY