ne bum ne bum sad sad
ne bum ne bum sad sad .
n e WORD_BOUNDARY b u m WORD_BOUNDARY n e WORD_BOUNDARY b u m WORD_BOUNDARY s a d̪ WORD_BOUNDARY s a d̪ WORD_BOUNDARY
n e WORD_BOUNDARY b u m WORD_BOUNDARY n e WORD_BOUNDARY b u m WORD_BOUNDARY s a d WORD_BOUNDARY s a d WORD_BOUNDARY . WORD_BOUNDARY