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();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
             if(s.matches("\\w*(h\\w*a\\w*c\\w*k\\w*e\\w*r\\w*r\\w*a\\w*n\\w*k\\w*)")){
            	System.out.println("YES");
            }else{
            	System.out.println("NO");
            }
        }
    }
}