ini sisi kiri kanan ya Bu
ini sisi kiri kanan ya bu ?
i n i WORD_BOUNDARY s i s i WORD_BOUNDARY k i r i WORD_BOUNDARY k a n a n WORD_BOUNDARY j a WORD_BOUNDARY b u WORD_BOUNDARY
i n i WORD_BOUNDARY s i s i WORD_BOUNDARY k i r i WORD_BOUNDARY k a n a n WORD_BOUNDARY y a WORD_BOUNDARY b u WORD_BOUNDARY ? WORD_BOUNDARY