itu bukan sungai singa
itu bukan sungai singa .
i t u WORD_BOUNDARY b u k a n WORD_BOUNDARY s u ŋ a i WORD_BOUNDARY s i ŋ a WORD_BOUNDARY
i t u WORD_BOUNDARY b u k a n WORD_BOUNDARY s u n g a i WORD_BOUNDARY s i n g a WORD_BOUNDARY . WORD_BOUNDARY