using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var q = NN;
        var ans = new bool[q];
        for (var u = 0; u < q; ++u)
        {
            var s = ReadLine();
            var t = ReadLine();
            if (s.Length == 4)
            {
                var ns = s.ToCharArray();
                (ns[0], ns[2]) = (ns[2], ns[0]);
                (ns[1], ns[3]) = (ns[3], ns[1]);
                var nst = string.Concat(ns);
                ans[u] = s == t || nst == t;
                continue;
            }
            var se = new List<char>();
            var so = new List<char>();
            var te = new List<char>();
            var to = new List<char>();
            for (var i = 0; i < s.Length; ++i)
            {
                if (i % 2 == 0)
                {
                    se.Add(s[i]);
                    te.Add(t[i]);
                }
                else
                {
                    so.Add(s[i]);
                    to.Add(t[i]);
                }
            }
            se.Sort();
            so.Sort();
            te.Sort();
            to.Sort();
            ans[u] = true;
            for (var i = 0; i < se.Count; ++i) if (se[i] != te[i]) ans[u] = false;
            for (var i = 0; i < so.Count; ++i) if (so[i] != to[i]) ans[u] = false;
        }
        WriteLine(string.Join("\n", ans.Select(f => f ? "Yes" : "No")));
    }
}