如果两个单词是换位词，他们包含同样个数的同样字母，所以他们的计数器是相等的。

If two words are anagrams, they contain the same letters with the same counts, so their Counters are equivalent.

youdao

将a换位密码的首字母，b换为密码的最后一位。

The first and the last letter of my password are a and b.

youdao

将a换位密码的首字母，b换为密码的最后一位。

The first and the last letter of my password are a and b.

youdao