koko yo koko koko hai
koko yo koko koko hai .
k o k o WORD_BOUNDARY j o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY h a i WORD_BOUNDARY
k o k o WORD_BOUNDARY y o WORD_BOUNDARY k o k o WORD_BOUNDARY k o k o WORD_BOUNDARY h a i WORD_BOUNDARY