caca caca mira caca
caca caca mira caca .
k a k a WORD_BOUNDARY k a k a WORD_BOUNDARY m i ɾ a WORD_BOUNDARY k a k a WORD_BOUNDARY
c a c a WORD_BOUNDARY c a c a WORD_BOUNDARY m i r a WORD_BOUNDARY c a c a WORD_BOUNDARY . WORD_BOUNDARY