dah kura+kura bobok ok
dah kura kura bobok ok .
d a h WORD_BOUNDARY k u r a WORD_BOUNDARY k u r a WORD_BOUNDARY b o b o k WORD_BOUNDARY o k WORD_BOUNDARY
d a h WORD_BOUNDARY k u r a WORD_BOUNDARY k u r a WORD_BOUNDARY b o b o k WORD_BOUNDARY o k WORD_BOUNDARY . WORD_BOUNDARY