ni kan bisa kan kan
ni kan bisa kan kan ?
n i WORD_BOUNDARY k a n WORD_BOUNDARY b i s a WORD_BOUNDARY k a n WORD_BOUNDARY k a n WORD_BOUNDARY
n i WORD_BOUNDARY k a n WORD_BOUNDARY b i s a WORD_BOUNDARY k a n WORD_BOUNDARY k a n WORD_BOUNDARY ? WORD_BOUNDARY