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
            char[] hackerrankArr = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
            int iterator = 0;
            
            for(int i = 0; i < s.length(); i++) {
                if(s.charAt(i) == hackerrankArr[iterator]) {
                    iterator++;
                }
            }
            
            if(iterator == hackerrankArr.length) {
                System.out.println("YES");
            }
            else {
                System.out.println("NO");
            }
        }
    }
}