import java.util.*;
class solve {
    static HashSet<HashSet<String>> hs = new HashSet<>();
    String[] user_id;
    String[] banned_id;
    boolean[] check;
    public int solution(String[] user_id, String[] banned_id) {
        this.user_id = user_id;
        this.banned_id = banned_id;
        check = new boolean[user_id.length];
        perm(0, new HashSet<String>());
        int answer = hs.size();
        return answer;
    }
    public void perm(int depth, HashSet<String> set) { 
        if(depth == banned_id.length) {
            hs.add(set);
            return;
        }

        for(int i = 0; i < user_id.length; i++) {
            if(check[i]) continue;
            if(banned_id[depth].length() != user_id[i].length()) continue;
            if(matched(user_id[i], banned_id[depth])) {
                set.add(user_id[i]);
                check[i] = true;
                perm(depth + 1, set);
                set.remove(user_id[i]);
                check[i] = false;
            }
        }
    }
    public boolean matched(String user, String banned) {
        for(int i = 0; i < user.length(); i++) {
            if(banned.charAt(i) == '*') continue;
            if(user.charAt(i) != banned.charAt(i)) return false;
        }
        return true;
    }
}
public class Solution {
    public static void main(String[] args) {
        String[] user_id = {"frodo", "fradi", "crodo", "abc123", "frodoc"};
        String[] banned_id = {"fr*d*", "*rodo", "******", "******"};
        solve s = new solve();
        System.out.println(s.solution(user_id, banned_id));
    }
}