se toca la cabeza
se toca la cabeza .
s e̞ WORD_BOUNDARY t o̞ k a WORD_BOUNDARY l a WORD_BOUNDARY k a β e̞ s a WORD_BOUNDARY
s e WORD_BOUNDARY t o c a WORD_BOUNDARY l a WORD_BOUNDARY c a b e z a WORD_BOUNDARY . WORD_BOUNDARY