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();
        char []rank={'h','a','c','k','e','r','r','a','n','k'};
            
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            int j=0,t=0;
       char[] charArray = s.toCharArray();
            
            while (j<9 && t<charArray.length){
                if (charArray[t]==rank[j]){
                    j++;
                }
                t++;
            }
            if(j==9){
                System.out.println("yes");
            }else{
                System.out.println("no");
            }
            
        }
    }
}