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();
        boolean check = true;
        for(int a0 = 0; a0 < q; a0++){
            HashMap<Character,Integer> map = new HashMap<Character,Integer>();
            map.put('h',1);
            map.put('a',2);
            map.put('c',1);
            map.put('k',2);
            map.put('e',1);
            map.put('r',2);
            map.put('n',1);
            HashMap<Character,Integer> order = new HashMap<Character,Integer>();
            String s_temp = in.next();
            String s = s_temp.toLowerCase();
            if(s.matches(".*h.*a.*c.*k.*e.*r.*r.*a.*n.*k.*"))
                System.out.println("YES");
             else
                System.out.println("NO");
           
                
                
 
        }
    }
}