Opi kalah ni Opi ni
opi kalah ni opi ni .
o p i WORD_BOUNDARY k a l a h WORD_BOUNDARY n i WORD_BOUNDARY o p i WORD_BOUNDARY n i WORD_BOUNDARY
o p i WORD_BOUNDARY k a l a h WORD_BOUNDARY n i WORD_BOUNDARY o p i WORD_BOUNDARY n i WORD_BOUNDARY . WORD_BOUNDARY