bisa kok satu+satu dulu
bisa kok satu satu dulu .
b i s a WORD_BOUNDARY k o k WORD_BOUNDARY s a t u WORD_BOUNDARY s a t u WORD_BOUNDARY d u l u WORD_BOUNDARY
b i s a WORD_BOUNDARY k o k WORD_BOUNDARY s a t u WORD_BOUNDARY s a t u WORD_BOUNDARY d u l u WORD_BOUNDARY . WORD_BOUNDARY