nagai nagai nagai nagai
nagai nagai nagai nagai .
n a g a i WORD_BOUNDARY n a g a i WORD_BOUNDARY n a g a i WORD_BOUNDARY n a g a i WORD_BOUNDARY
n a g a i WORD_BOUNDARY n a g a i WORD_BOUNDARY n a g a i WORD_BOUNDARY n a g a i WORD_BOUNDARY