o itu warna apa tu
o itu warna apa tu ?
o WORD_BOUNDARY i t u WORD_BOUNDARY w a r n a WORD_BOUNDARY a p a WORD_BOUNDARY t u WORD_BOUNDARY
o WORD_BOUNDARY i t u WORD_BOUNDARY w a r n a WORD_BOUNDARY a p a WORD_BOUNDARY t u WORD_BOUNDARY ? WORD_BOUNDARY