import java.io.*;
import java.util.*;

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();
            hackerRank(s);
        }
        in.close();
    }
    public static void hackerRank(String s){
        char[] testF = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
        int sLength = s.length();
        int currIndex = 0;
        if(sLength < testF.length){
            System.out.println("NO");
            return;
        }
        else{
            for(int i = 0; i < sLength; i++){
                if(testF[currIndex] == s.charAt(i)){
                    currIndex++; 
                    if(currIndex == testF.length){
                       System.out.println("YES");
                        return;
                    }                    
                }         
             }
            System.out.println("NO");                    
        }
    }
}