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 array[]={'h','a','c','k','e','r','r','a','n','k'};
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
           int x=-1,count=0;
            for(int a1 = 0; a1 <= 9; a1++){
                if(s.indexOf(array[a1],x)>=x)
                x=s.indexOf(array[a1],x)+1;
                else
                   count++;
            }
            if(count==0)
                System.out.println("YES");
            else
                System.out.println("NO");
        }
    }
}