sini sini Mbak masukin
sini sini mbak masukin .
s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY m b a k WORD_BOUNDARY m a s u k i n WORD_BOUNDARY
s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY m b a k WORD_BOUNDARY m a s u k i n WORD_BOUNDARY . WORD_BOUNDARY