koko wa koko koko koko
koko wa koko koko koko ?
k o k o WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY
k o k o WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY