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

public class Solution {
    
    private static char[] hackerrank = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
    private static boolean containsString(String s){
        
        if(s.length() < hackerrank.length){
            return false;
        }
        
        char[] input = s.toCharArray();
        
        int i = 0;
        int j = 0;
        while(i < hackerrank.length && j<input.length){
            if(input[j] == hackerrank[i]){
                j++;
                i++;
            } else {
                j++;
            }
        }
        
       return i==hackerrank.length;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            System.out.println(containsString(s) ? "YES" : "NO" );
        }
    }
}