/* Problem URL: https://codeforces.com/problemset/problem/514/C */ #include using namespace std; #define V vector #define rmin(a, b) a = min(a, b) #define rmax(a, b) a = max(a, b) #define rep(i, lim) for (size_t i = 0; i < (lim); i++) #define nrep(i, s, lim) for (size_t i = s; i < (lim); i++) #define repv(i, v) for (auto &i : (v)) #define fillv(v) for (auto &itr_ : (v)) { cin >> itr_; } #define sortv(v) sort(v.begin(), v.end()) #define all(v) (v).begin(), (v).end() using vi = vector; using vvi = vector; using vvvi = vector; using vvvvi = vector; using ll = long long; using vl = vector; using vvl = vector; using vvvl = vector; using vvvvl = vector; template auto operator<<(ostream &os, const vector &vec)->ostream& { os << vec[0]; for (size_t i = 1; i < vec.size(); i++) { os << ' ' << vec[i]; } os << '\n'; return os; } template auto operator>>(istream &is, vector &vec)->istream& { for (auto &i : vec) { is >> i; } return is; } template auto operator<<(ostream &os, const vector> &vec)->ostream& { for (auto &i : vec) { os << i[0]; for (size_t j = 1; j < i.size(); j++) { os << ' ' << i[j]; } os << '\n'; } return os; } template auto operator>>(istream &is, vector> &vec)->istream& { for (auto &i : vec) { for (auto &j : i) { is >> j; } } return is; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; ll mod = (1LL << 61) - 1; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll b = uniform_int_distribution(1, mod - 1)(rng); unordered_set act; auto gethash = [=](const string &a){ ll hash = 0; repv(i, a) { hash = ((__int128)hash * b + i) % mod; } return hash; }; vl sufhash; vl pow = {1}; function add = [&](string &a, ll hash, int i, bool diff) { if (i >= a.size()) { if (diff) { act.insert(hash); } return; } if (diff) { hash = ((__int128)hash * pow[a.size() - i] + sufhash[i]) % mod; act.insert(hash); return; } for (char j = 'a'; j <= 'c'; j++) { add(a, ((__int128)hash * b + j) % mod, i + 1, j != a[i]); } }; while (n--) { string a; cin >> a; while (pow.size() <= a.size()) { pow.push_back(((__int128)pow.back() * b) % mod); } sufhash.resize(a.size()); ll hash = 0; for (int i = a.size() - 1; i >= 0; i--) { hash = ((__int128)a[i] * pow[a.size() - i - 1] + hash) % mod; sufhash[i] = hash; } add(a, 0, 0, false); } while (m--) { string a; cin >> a; ll hash = gethash(a); if (act.find(hash) == act.end()) { cout << "NO\n"; } else { cout << "YES\n"; } } }