aka wa koko aka wa koko yo
aka wa koko aka wa koko yo .
a k a WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY a k a WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY j o WORD_BOUNDARY
a k a WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY a k a WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY y o WORD_BOUNDARY