/*Rofyda Mohamed Hamed Hamed Elghadban*/
 //#include <bits/stdc++.h>
 #include <iostream>
 #include <iomanip>
 #include <cmath>
 #include <algorithm>
 #include <cstdlib>
 #include <limits.h>
 #include <string>
 #include <vector>
 #include <map>
 #include <stack>
 #include <set>
 #include <deque>
 #include <fstream>
 #include <bitset>
 #include <cmath>
 #include <numeric>
 #include <cstring>
 #include <utility>
 #include <queue>

 /***********************************************************************************/

 #define ll long long
 #define ull unsigned long long
 #define pi 3.141592654
 #define NUM 1e18
 #define Mod  1'000'000'007
 #define fixed(n) fixed<<setprecision(n)
 #define cin(v) for(auto &i:v) cin >> i ;
 #define cout(v) for(auto &i:v) cout << i  <<" ";
 #define Ceil(a,b) ((a/b)+(a%b ? 1 : 0))
 #define vowel(x) (x=='e'||x=='a'||x=='i'||x=='o'||x=='u')
 #define small(x) (x>=97&&x<=122)
 #define capital(x) (x>=65&&x<=90)
 #define Tolower(s) transform(s.begin(),s.end(),s.begin(),::tolower);
 #define Toupper(s) transform(s.begin(),s.end(),s.begin(),::toupper);
 #define all(v) ((v).begin()), ((v).end())
 #define allr(v) ((v).rbegin()), ((v).rend())
 #define updmax(a,b) a=max(a,b)
 #define updmin(a,b) a=min(a,b)
 #define ceil(a,b) ((a/b)+(a%b?1:0))
 /* asc -> 1 2 3 ,des -> 3 2 1 */

 /***********************************************************************************/

 using namespace std;

 void Rofyda_Elghadban(){
  #ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
   #endif
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
 }

 void solve(){
  string s,t,p;
  cin>>s>>t>>p;
  int freq[27]{},i=0,j=0;
  for(int i=0;i<p.size();i++){
    freq[p[i]-'a']++;
  }
  while(i<s.size()&&j<t.size()){
    if(s[i]==t[j]){
      i++;
      j++;
    }else{
      if(freq[t[j]-'a']>0){
        freq[t[j]-'a']--;
        j++;
      }else{
        cout<<"NO"<<"\n";
        return ;
      }
    }
  }
  if(i<s.size()){
    cout<<"NO"<<"\n";
    return ;
  }
  for(int k=j;k<t.size();k++){
    if(freq[t[k]-'a']>0){
      freq[t[k]-'a']--;
    }else{
      cout<<"NO"<<"\n";
      return ;
    }
  }cout<<"YES"<<"\n";
 }

 int main(){
  Rofyda_Elghadban();
 //freopen("input.txt","r",stdin);
 //freopen("output.txt","r",stdout);

 //solve();

//  int t;
//  cin>>t;
//  while(t--){
//   string s,t,p;
//   cin>>s>>t>>p;
//   if(s.size()==t.size()){
//     if(s==t){
//       cout<<"YES"<<"\n";
//     }else{
//       cout<<"NO"<<"\n";
//     }
//   }else{
//     for(int i=0;i<t.size();i++){
//       if(t[i]==s[i]){
//         continue;
//       }else{
//         for(int j=0;j<p.size();j++){
//           if(p[j]==t[i]){
//             s+=p[j];
//           }
//         }
//       }
//     }
//   }cout<<s<<"\n";
//  }
 int t;
 cin>>t;
 while(t--){
  solve();
 }



 return 0;
}


/*

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*/