bisa bisa bisa bisa di di di di
bisa bisa bisa bisa di di di di .
b i s a WORD_BOUNDARY b i s a WORD_BOUNDARY b i s a WORD_BOUNDARY b i s a WORD_BOUNDARY d i WORD_BOUNDARY d i WORD_BOUNDARY d i WORD_BOUNDARY d i WORD_BOUNDARY
b i s a WORD_BOUNDARY b i s a WORD_BOUNDARY b i s a WORD_BOUNDARY b i s a WORD_BOUNDARY d i WORD_BOUNDARY d i WORD_BOUNDARY d i WORD_BOUNDARY d i WORD_BOUNDARY . WORD_BOUNDARY