#include<bits/stdc++.h>
#include<regex>
using namespace std;
const int N = 1e4 + 10;

int main() {
	int T;
	cin >> T;
	while (T--)
	{
		string s;
		cin >> s;
		int lens = s.size();
		int n;
		cin >> n;
		vector <vector<int>> v(lens + 1, vector<int>(2));
		int L = -1, R = -1;
		for (int i = lens; i >= 0; i--) {
			v[i][0] = L;
			v[i][1] = R;
			if (i != 0) {
				if (s[i - 1] == 'R') {
					R = i;
				}
				else L = i;
			}
		}
		while (n--)
		{
			string t;
			cin >> t;
			string a;
			if (s[0] != 'R' && t[0] == 'R') {
				cout << "NO" << endl;
				continue;
			}
			if (s[s.size() - 1] != 'L' && t[t.size() - 1] == 'L') {
				cout << "NO" << endl;
				continue;
			}
			int j = 0;
			for (int i = 0; i < t.size()&&j!=-1; i++) {
				if (t[i] == 'L')j = v[j][0];
				else j = v[j][1];
			}
			if (j == -1) {
				cout << "NO" << endl;
			}
			else {
				cout << "YES" << endl;
			}
		}
	}
}