ko ko ko koko koko koko
koko
n:deic:dem
ko ko ko koko koko koko .
k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY
k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY