#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1e5 + 5;

inline bool P(register string x,register string y){
    
    if (x == y) return 1;
    for (register int i = 0;i < x.length();i++){
        
        if (y.find(x[i]) == -1) return 0;
        else x[i] = ' ';
        
    }
    return 1;
    
}

int main(){
    
    ios::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
    
    register int n,q;
    register string s[MAXN];
    
    cin >> n >> q;
    for (register int i = 1;i <= n;i++) cin >> s[i];
    while (q--){
        
        register int op,x,y;
        
        cin >> op >> x >> y;
        if (op == 1) s[y] += s[x];
        else cout << (P(s[x],s[y]) ? "Yes" : "No") << '\n';
        
    }
    
    return 0;
}