import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        char[] arr = {'h', 'a','c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            char[] curr = s.toCharArray();
            boolean result = true;
            for(int i = 0; i < arr.length; i++){
                if(true){
                    for(int j =0; j < curr.length; j++){
                            if(curr[j] == arr[i]){
                                result = true;
                            }else{
                                result = false;
                            }
                    }
                }
            }
            if(!result){
                System.out.println("NO");
            }else{
                System.out.println("YES");
            }
        }
    }
}