#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll,ll>;
#define fix(x) fixed << setprecision(x)
#define asc(x) x, vector<x>, greater<x>
#define rep(i, n) for(ll i = 0; i < n; i++)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;}
constexpr ll INFLL = (1LL <<62);
constexpr int INF = (1<<30);
int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    const ll b = 524287, MOD = 998244353;
    vector<ll> x(1e6);
    set<ll> se;
    x[0] = 1;
    rep(i,1e6-1) x[i+1] = x[i] * b % MOD;
    rep(i,n){
        string s;
        cin >> s;
        int m = s.size();
        ll res = 0;
        rep(j,m) res = (res + s[j] * x[m-j]) % MOD;
        cout << (se.count(res)?"Yes\n":"No\n");
        se.insert(res);
        rep(j,m-1){
            ll y = res - s[j] * x[m-j] - s[j+1] * x[m-(j+1)] + s[j] * x[m-(j+1)] + s[j+1] * x[m-j];
            y = (y % MOD + MOD) % MOD;
            se.insert(y);
        }
    }
    return 0;
}