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 input = in.next();
        Pattern pattern = Pattern.compile("(h).*(a).*(c).*(k).*(e).*(r).*(r).*(a).*(n).*(k)");
        Matcher matcher = pattern.matcher(input);
        if (matcher.find()) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }

        }
    }
}