abre los dientes si
abre los dientes si .
a β ɾ e̞ WORD_BOUNDARY l o̞ s WORD_BOUNDARY d j e̞ n t e̞ s WORD_BOUNDARY s i WORD_BOUNDARY
a b r e WORD_BOUNDARY l o s WORD_BOUNDARY d i e n t e s WORD_BOUNDARY s i WORD_BOUNDARY . WORD_BOUNDARY