dakara aoi no wa koko
dakara aoi no wa koko .
d a k a r a WORD_BOUNDARY a o i WORD_BOUNDARY n o WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY
d a k a r a WORD_BOUNDARY a o i WORD_BOUNDARY n o WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY