no era lo de los libros
no era lo de los libros ?
n o WORD_BOUNDARY e ɾ a WORD_BOUNDARY l o WORD_BOUNDARY ð e WORD_BOUNDARY l o s WORD_BOUNDARY l i β ɾ o s WORD_BOUNDARY
n o WORD_BOUNDARY e r a WORD_BOUNDARY l o WORD_BOUNDARY d e WORD_BOUNDARY l o s WORD_BOUNDARY l i b r o s WORD_BOUNDARY