tu masukin satu+satu
tu masukin satu satu .
t u WORD_BOUNDARY m a s u k i n WORD_BOUNDARY s a t u WORD_BOUNDARY s a t u WORD_BOUNDARY
t u WORD_BOUNDARY m a s u k i n WORD_BOUNDARY s a t u WORD_BOUNDARY s a t u WORD_BOUNDARY . WORD_BOUNDARY