te duele la cabeza
te duele la cabeza ?
t e̞ WORD_BOUNDARY d w e̞ l e̞ WORD_BOUNDARY l a WORD_BOUNDARY k a β e̞ s a WORD_BOUNDARY
t e WORD_BOUNDARY d u e l e WORD_BOUNDARY l a WORD_BOUNDARY c a b e z a WORD_BOUNDARY ? WORD_BOUNDARY