뒤 뒤 뒤 뒤 앞 앞 앞
뒤 뒤 뒤 뒤 앞 앞 앞 .
d w i WORD_BOUNDARY d w i WORD_BOUNDARY d w i WORD_BOUNDARY d w i WORD_BOUNDARY a p WORD_BOUNDARY a p WORD_BOUNDARY a p WORD_BOUNDARY
뒤 WORD_BOUNDARY 뒤 WORD_BOUNDARY 뒤 WORD_BOUNDARY 뒤 WORD_BOUNDARY 앞 WORD_BOUNDARY 앞 WORD_BOUNDARY 앞 WORD_BOUNDARY . WORD_BOUNDARY