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) {
        String h= "hackerrank";
        boolean flag =false;
        char sArray[]  = h.toCharArray();
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            for(char c : sArray) {
            String ts =Character.toString(c);
            if(s.contains(ts)) {
                if(c=='a' || c=='k' || c=='r') {
                    if(s.indexOf(ts) != s.lastIndexOf(ts)) {
                        flag =true; 
                    }
                    else{
                        flag =false;
                    }
                }
            }
            else{
                System.out.println("NO");
                break;
            }
        }
        if(flag) {
            System.out.println("YES");
        }
        }
    }
}