ni apa ni huruf apa
ni apa ni huruf apa ?
n i WORD_BOUNDARY  a p a WORD_BOUNDARY n i WORD_BOUNDARY h u r u f WORD_BOUNDARY a p a WORD_BOUNDARY
n i WORD_BOUNDARY a p a WORD_BOUNDARY n i WORD_BOUNDARY h u r u f WORD_BOUNDARY a p a WORD_BOUNDARY