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) {
        String[] hacker= {"h", "a", "c", "k", "e", "r", "r", "a", "n", "k"};
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            boolean has= false;
            int counter=0;
            String s = in.next();
            for(int i=0; i<s.length()-1; i++){
                if(counter>= hacker.length){
                    has=true;
                    break;
                }
                if(s.substring(i,i+1).equals(hacker[counter]))
                    counter++;
            }
            if(counter>= hacker.length)
                    has=true;
            if(counter>= hacker.length)
                counter= hacker.length-1;
            if(s.substring(s.length()-1).equals(hacker[counter])){
                counter++;
             }
            if(counter>= hacker.length)
                    has=true;
            if(has)
                System.out.println("YES");
            else
                System.out.println("NO");
        }
    }
}