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++){
            Queue<Character> hack = new LinkedList<Character>();
            hack.add('h');
            hack.add('a');
            hack.add('c');
            hack.add('k');
            hack.add('e');
            hack.add('r');
            hack.add('r');
            hack.add('a');
            hack.add('n');
            hack.add('k');
            
            String s = in.next();
            for (int x = 0; x < s.length(); x++) {
                if (hack.size() == 0) {
                    break;
                }
                if(s.charAt(x) == hack.peek()) {
                    hack.poll();
                }
            }
            if (hack.size() == 0) {
                System.out.println("YES");
            } else{
                System.out.println("NO");
            }
            
            
        }
    }
}