aka no hanabi ga pikapika pikapika tte
aka no hanabi ga pikapika pikapika tte .
a k a WORD_BOUNDARY n o WORD_BOUNDARY h a n a b i WORD_BOUNDARY g a WORD_BOUNDARY p i k a p i k a WORD_BOUNDARY p i k a p i k a WORD_BOUNDARY t t e WORD_BOUNDARY
a k a WORD_BOUNDARY n o WORD_BOUNDARY h a n a b i WORD_BOUNDARY g a WORD_BOUNDARY p i k a p i k a WORD_BOUNDARY p i k a p i k a WORD_BOUNDARY t t e WORD_BOUNDARY