korobanai kana yonaka ni
korobanai kana yonaka ni ?
k o r o b a n a i WORD_BOUNDARY k a n a WORD_BOUNDARY j o n a k a WORD_BOUNDARY n i WORD_BOUNDARY
k o r o b a n a i WORD_BOUNDARY k a n a WORD_BOUNDARY y o n a k a WORD_BOUNDARY n i WORD_BOUNDARY