CF1722A.Spell Check

Timur likes his name. As a spelling of his name, he allows any permutation of the letters of the name. For example, the following strings are valid spellings of his name: Timur, miurT, Trumi, mriTu. Note that the correct spelling must have uppercased T and lowercased other letters.

Today he wrote string $s$ of length $n$ consisting only of uppercase or lowercase Latin letters. He asks you to check if $s$ is the correct spelling of his name.

蒂穆尔很喜欢自己的名字。对于他名字的拼写，他允许名字中字母的任意排列。例如，以下字符串都是他名字的有效拼写：Timur、miurT、Trumi、mriTu。注意，正确的拼写必须满足：字母 T 为大写，其余字母均为小写。

今天，他写了一个长度为 $n$ 的字符串 $s$，该字符串仅由大写或小写的拉丁字母组成。他请你检查 $s$ 是否是他名字的正确拼写。

The first line of the input contains an integer $t$ ($1 \leq t \leq 10^3$) — the number of test cases.

The first line of each test case contains an integer $n$ $(1 \leq n \leq 10)$ — the length of string $s$.

The second line of each test case contains a string $s$ consisting of only uppercase or lowercase Latin characters.

输入的第一行包含一个整数 $t$（$1 \leq t \leq 10^3$）—— 表示测试用例的数量。

每个测试用例的第一行包含一个整数 $n$（$1 \leq n \leq 10$）—— 表示字符串 $s$ 的长度。

每个测试用例的第二行包含一个字符串 $s$，该字符串仅由大写或小写的拉丁字母组成。

For each test case, output "YES" (without quotes) if $s$ satisfies the condition, and "NO" (without quotes) otherwise.

You can output the answer in any case (for example, the strings "yEs", "yes", "Yes" and "YES" will be recognized as a positive answer).

对于每个测试用例，如果字符串 $s$ 满足条件，则输出 "YES"（不带引号）；否则输出 "NO"（不带引号）。

您可以以任意大小写形式输出答案（例如，字符串 "yEs"、"yes"、"Yes" 和 "YES" 均会被识别为肯定回答）。