tuk tuk kutuk kutuk kutuk
tuk tuk kutuk kutuk kutuk .
t u k WORD_BOUNDARY t u k WORD_BOUNDARY k u t u k WORD_BOUNDARY k u t u k WORD_BOUNDARY k u t u k WORD_BOUNDARY
t u k WORD_BOUNDARY t u k WORD_BOUNDARY k u t u k WORD_BOUNDARY k u t u k WORD_BOUNDARY k u t u k WORD_BOUNDARY . WORD_BOUNDARY