#include <iostream>
#include <string>
using namespace std;
bool isSubsequence(string s, string t) {
    int j = 0;
    for (int i = 0; i < s.size() && j < t.size(); i++) {
        if (s[i] == t[j]) {
            j++;
        }
    }
    return j == t.size();
}
int main() {
    int t;
    cin >> t;
    while (t--) {
        string S, N;
        cin >> S >> N;
        if (isSubsequence(S, N)) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }
    return 0;
}