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();
        int index;
        String[] arr = {"h", "a", "c", "k", "e", "r", "r", "a", "n", "k"};
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            index = 0;
            for (int i = 0; i < s.length(); i++) {             
                if (s.substring(i, i + 1).equals(arr[index])) index++;
                if (index == 10) break;
            }
            if (index == 10) System.out.println("YES");
            else System.out.println("NO");
        }
    }
}