kosong belakang kosong belakang
kosong belakang kosong belakang .
k o s o ŋ WORD_BOUNDARY b ə l a k a ŋ WORD_BOUNDARY k o s o ŋ WORD_BOUNDARY b ə l a k a ŋ WORD_BOUNDARY
k o s o n g WORD_BOUNDARY b e l a k a n g WORD_BOUNDARY k o s o n g WORD_BOUNDARY b e l a k a n g WORD_BOUNDARY . WORD_BOUNDARY