#include <bits/stdc++.h>
using namespace std;
string s;
int n;
string str[101];
bool cmp(string  q, string b) {
    if(q.size() > b.size())swap(q,b);
    for(int i = 0 ;i <q.size();i++)
    {
        int x1 = s.find(q[i]);
        int x2 = s.find(b[i]);
        if(x1!=x2){
            return x1 < x2;
        }
    }
    
}
int main() {
    cin >> s;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> str[i];
        for (int j = 0; j < str[i].size() - 1; j++) {
            if (s.find(str[i][j]) > s.find(str[i][j + 1])) {
                cout << "No";
                return 0;
            }
        }
    }
    sort(str + 1, str + 1 + n, cmp);
    string ss = "";
    for (int i = 1; i <= n; i++) {
        ss += str[i];
    }
    for (int j = 0; j < ss.size() - 1; j++) {
        if (s.find(ss[j]) > s.find(ss[j + 1])) {
            cout << "No";
            return 0;
        }
    }
    cout<<"Yes";
    return 0;
}