#include <bits/stdc++.h>

using namespace std;

int T;

string s, t;

int main()
{
    //freopen("delete.in", "r", stdin);
    //freopen("delete.out", "w", stdout);
    cin >> T;
    while (T -- )
    {
        cin >> s >> t;
        int len_s = s.length();
        int len_t = t.length();
        int is = 0, it = 0, js = len_s, jt = len_t, cnt = 0;
        int ans_i = 0;
        while (is < js)
        {
            if(s[is] == t[it])
            {
                ans_i = is; 
                break;
            }
            else is++;
        }
        is = ans_i;
        while (is < js)
        {
            if (s[is] == t[it]){
                is++, it ++, cnt ++;
                if (cnt == len_t && (len_s - is) % 2 == 0) 
                {
                    puts("YES");
                    break;
                }
            }
            else
            {
                if (is == 0)
                    is ++; 
                if (cnt + 1 < 2)
                {
                    puts("NO");
                    break;
                }
                else if (cnt + 1 == 2)
                    is ++ , it = 0, cnt = 0;    
                else if (cnt + 1 > 2)
                {
                    //cout << is << " " << len_s << " " << len_s - is << endl;
//                  return 0;
                    if(cnt == len_t && (len_s - is) % 2 == 0)
                    {
                        puts("YES");
                        break;
                    }
                    else
                    {
                        puts("NO");
                        break;
                    }
                }   
            } 
        }
    }
    return 0;
}