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