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();
        String pat = "(h)(.*)(a)(.*)(c)(.*)(k)(.*)(e)(.*)(r)(.*)(r)(.*)(a)(.*)(n)(.*)(k)";
        Pattern r = Pattern.compile(pat);
        Matcher m;
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            m = r.matcher(s);
            if(m.find()){
                System.out.println("YES");
            }
            else{
                System.out.println("NO");
            }
            // your code goes here
        }
    }
}