la cabeza del oso
la cabeza del oso .
l a WORD_BOUNDARY k a β e̞ s a WORD_BOUNDARY d e̞ l WORD_BOUNDARY o̞ s o̞ WORD_BOUNDARY
l a WORD_BOUNDARY c a b e z a WORD_BOUNDARY d e l WORD_BOUNDARY o s o WORD_BOUNDARY . WORD_BOUNDARY