#include <bits/stdc++.h>
#include <stdio.h>
#include <string.h>
#include <string>
#include <cstring>

using namespace std;

int main(){
    int q;
    int h = 0, a = 0, c = 0, k = 0, e = 0, r = 0, n = 0;
    cin >> q;
    string query[q];
    for(int a0 = 0; a0 < q; a0++){
    	string s;
        cin >> s;
        query[a0] = s;
        // your code goes here
    }	
    for (int i = 0;i < q;i++){
    	for (int j = 0;j < query[i].length();j++){
    		if (query[i].at(j) == 'h'){
    			h++;
			}
    		if (query[i].at(j) == 'a'){
    			a++;
			}
    		if (query[i].at(j) == 'c'){
    			c++;
			}
    		if (query[i].at(j) == 'k'){
    			k++;
			}
    		if (query[i].at(j) == 'e'){
    			e++;
			}
    		if (query[i].at(j) == 'r'){
    			r++;
			}
    		if (query[i].at(j) == 'n'){
    			n++;
			}			
		}
    	if ((h >= 1	) && (a >= 2) && (c >= 1) && (k >= 2) && (e >= 1) && (r >= 2) && (n >= 1)){
    		cout << "YES" << endl;
		}
		else {
			cout << "NO" << endl;
		}
		h = 0, a = 0, c = 0, k = 0, e = 0, r = 0, n = 0;
	}
}