#include <bits/stdc++.h>
using namespace std;
vector<string> split(const string& s, char c) {
  vector<string> v;
  stringstream ss(s);
  string x;
  while (getline(ss, x, c)) v.emplace_back(x);
  return move(v);
}
template <typename T, typename... Args>
inline string arrStr(T arr, int n) {
  stringstream s;
  s << "[";
  for (int i = 0; i < n - 1; i++) s << arr[i] << ",";
  s << arr[n - 1] << "]";
  return s.str();
}
inline void __anthro_begin(int line) { cerr << "#" << line << ": "; }
template <typename T>
inline void __anthro_out_var(vector<T> val) {
  cerr << arrStr(val, val.size());
}
template <typename T>
inline void __anthro_out_var(T* val) {
  cerr << arrStr(val, 2);
}
template <typename T>
inline void __anthro_out_var(T val) {
  cerr << val;
}
inline void __anthro(vector<string>::iterator it) { cerr << endl; }
template <typename T, typename... Args>
inline void __anthro(vector<string>::iterator it, T a, Args... args) {
  cerr << it->substr((*it)[0] == ' ', it->length()) << "=";
  __anthro_out_var(a);
  cerr << "; ";
  __anthro(++it, args...);
}
int const INF = (int)1e9 + 1e3;
long long const INFL = (long long)1e18 + 1e6;
string s, t;
vector<vector<int>> suf;
bool dpfun(string a, string b) {
  vector<vector<int>> dp(a.length() + 1, vector<int>(b.length() + 1, INF));
  dp[0][0] = 0;
  for (int i = 0; i <= a.length(); i++) {
    for (int j = 0; j <= b.length(); j++) {
      if (dp[i][j] <= s.length()) {
        int l = dp[i][j];
        if (i < a.length() && suf[l][a[i]] < INF) {
          dp[i + 1][j] = min(dp[i + 1][j], suf[l][a[i]] + 1);
        }
        if (j < b.length() && suf[l][b[j]] < INF) {
          dp[i][j + 1] = min(dp[i][j + 1], suf[l][b[j]] + 1);
        }
      }
    }
  }
  return dp[a.length()][b.length()] < INF;
}
int main() {
  int n;
  cin >> n;
  while (n--) {
    cin >> s >> t;
    for (auto& c : s) c -= 'a';
    for (auto& c : t) c -= 'a';
    suf.assign(s.length() + 1, vector<int>(26, INF));
    for (int i = s.length() - 1; i >= 0; i--) {
      suf[i] = suf[i + 1];
      suf[i][s[i]] = i;
    }
    bool flag = 0;
    for (int i = 0; i < t.length(); i++) {
      if (dpfun(t.substr(0, i), t.substr(i, t.length()))) {
        flag = 1;
        cout << "YES" << endl;
        break;
      }
    }
    if (flag == 0) cout << "NO" << endl;
  }
  return 0;
}
