masukin dulu masukin dulu
masukin dulu masukin dulu .
m a s u k i n WORD_BOUNDARY d u l u WORD_BOUNDARY m a s u k i n WORD_BOUNDARY d u l u WORD_BOUNDARY
m a s u k i n WORD_BOUNDARY d u l u WORD_BOUNDARY m a s u k i n WORD_BOUNDARY d u l u WORD_BOUNDARY . WORD_BOUNDARY