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();
        String[] s = new String[q];
        for(int a0 = 0; a0 < q; a0++){
        	s[a0] = in.next();
            // your code goes here
        }
        
        
        
        for(int i = 0; i < q; i++) {
        if(s[i].length() < 10)
        {
        	System.out.println("NO");
        }
        
        if(s[i].length() >= 10)
        {
        	if(s[i].contains("h") && s[i].contains("a") && s[i].contains("c") && s[i].contains("k") && s[i].contains("e") && s[i].contains("r") && s[i].contains("r") && s[i].contains("a")&& s[i].contains("n") && s[i].contains("k"))
        	{
        		System.out.println("YES");
        	}else{
        		System.out.println("NO");
        	}
        
        	}
        }
    }
}