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();
        
        final char [] chars = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};        
        
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            
            int ptr = 0;
            boolean found = false;
            for(int i = 0; i < s.length() && !found; i++) {                
                char c = s.charAt(i);

                if(chars[ptr] == c) {                    
                    ptr++;
                }
                
                if(ptr >= chars.length) {
                    found = true;
                    break;
                }                                
            }
            
            if(found) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
    }
}