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);
        List<String> word = Arrays.asList("h","a","c","k","e","r","r","a","n","k");
        Integer indexWord = 0;
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            boolean print = true;
            for(char w : s.toCharArray())
            {
                if(w == word.get(indexWord).charAt(0)){indexWord++; print=true; continue;}
                else{print = false;}
            }    
            System.out.println(print == true ? "YES" : "NO");
            indexWord = 0;
        }
    }
}