bikin musuh sini musuh
bikin musuh sini musuh .
b i k i n WORD_BOUNDARY m u s u h WORD_BOUNDARY s i n i WORD_BOUNDARY m u s u h WORD_BOUNDARY
b i k i n WORD_BOUNDARY m u s u h WORD_BOUNDARY s i n i WORD_BOUNDARY m u s u h WORD_BOUNDARY . WORD_BOUNDARY