los libros no se rompen
los libros no se rompen .
l o̞ s WORD_BOUNDARY l i β ɾ o̞ s WORD_BOUNDARY n o̞ WORD_BOUNDARY s e̞ WORD_BOUNDARY ɾ o̞ m p e̞ n WORD_BOUNDARY
l o s WORD_BOUNDARY l i b r o s WORD_BOUNDARY n o WORD_BOUNDARY s e WORD_BOUNDARY r o m p e n WORD_BOUNDARY . WORD_BOUNDARY