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();
            String aux[]={"h","a","c","k","e","r","r","a","n","k"};
            int cont=0;
            for(int j=0;j<10;j++){
                if(s.contains(aux[j]))cont++;
                else {j=10;System.out.println("NO");}
                if(cont==10)System.out.println("YES");
            }
        }
       
    }
}