#include<bits/stdc++.h>
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
bool isok(string s,string s1)
{
    int i=0,j=0;
    while (i<s.size()&& j<s1.size()) {
        if (s[i]==s1[j]) {
            j++;
        }
        i++;
    }
    return (j==s1.size());
}
int main()
{
    faster
    int t;
    cin >> t;
    while (t--) {
        string s,s1;
        cin >> s >> s1;
        if (isok(s,s1)) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }
}