ayo yok ayo yok ayo yok
ayo yok ayo yok ayo yok .
a j o WORD_BOUNDARY j o k WORD_BOUNDARY a j o WORD_BOUNDARY j o k WORD_BOUNDARY a j o WORD_BOUNDARY j o k WORD_BOUNDARY
a y o WORD_BOUNDARY y o k WORD_BOUNDARY a y o WORD_BOUNDARY y o k WORD_BOUNDARY a y o WORD_BOUNDARY y o k WORD_BOUNDARY . WORD_BOUNDARY