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++){
            String s = in.next();
          
            
           if(s.indexOf("h")!=-1&&s.indexOf("a")!=-1&&s.indexOf("c")!=-1&&s.indexOf("k")!=-1&&s.indexOf("e")!=-1&&s.indexOf("r")!=-1&&s.indexOf("r")!=-1&&s.indexOf("a")!=-1&&s.indexOf("n")!=-1&&s.indexOf("k")!=-1)
               {
               System.out.println("YES");
           }
               else
                   {
                   System.out.println("NO");
               }
           }
        }
    }