iya buku mana itu buku
iya buku mana itu buku .
i j a WORD_BOUNDARY b u k u WORD_BOUNDARY m a n a WORD_BOUNDARY i t u WORD_BOUNDARY b u k u WORD_BOUNDARY
i y a WORD_BOUNDARY b u k u WORD_BOUNDARY m a n a WORD_BOUNDARY i t u WORD_BOUNDARY b u k u WORD_BOUNDARY . WORD_BOUNDARY