#include <bits/stdc++.h>

using namespace std;

int main(){
    int q;
    cin >> q;
    char code[10] = {'h','a','c','k','e','r','r','a','n','k'};
    int j;
    for(int a0 = 0; a0 < q; a0++){
        string s;
        cin >> s;
        // your code goes here
        j = 0;
        for(int i = 0; i<s.length(); i++) {
            if(s[i] == code[j]) {
                j++;
            }
        }
        if(j == 10) {
            cout << "YES" << endl;
        } else {
            cout << "NO" << endl;
        }
    }
    return 0;
}