kirakira kirakira kirakirakira
kirakira kirakira kirakirakira .
k i r a k i r a WORD_BOUNDARY k i r a k i r a WORD_BOUNDARY k i r a k i r a k i r a WORD_BOUNDARY
k i r a k i r a WORD_BOUNDARY k i r a k i r a WORD_BOUNDARY k i r a k i r a k i r a WORD_BOUNDARY