yok yok yok main sama
yok yok yok main sama .
j o k WORD_BOUNDARY j o k WORD_BOUNDARY j o k WORD_BOUNDARY m a i n WORD_BOUNDARY s a m a WORD_BOUNDARY
y o k WORD_BOUNDARY y o k WORD_BOUNDARY y o k WORD_BOUNDARY m a i n WORD_BOUNDARY s a m a WORD_BOUNDARY . WORD_BOUNDARY