aku mau bobok aku mau bobok
aku mau bobok aku mau bobok .
a k u WORD_BOUNDARY m a u WORD_BOUNDARY b o b o k WORD_BOUNDARY a k u WORD_BOUNDARY m a u WORD_BOUNDARY b o b o k WORD_BOUNDARY
a k u WORD_BOUNDARY m a u WORD_BOUNDARY b o b o k WORD_BOUNDARY a k u WORD_BOUNDARY m a u WORD_BOUNDARY b o b o k WORD_BOUNDARY . WORD_BOUNDARY