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();
            char[] hr = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
            int ptr = 0;
            boolean success = false;
            
            for (int i = 0; i < s.length(); i++) {
            	if (s.charAt(i) == hr[ptr]) {
            		ptr++;
            		if (ptr == 10) {
            			success = true;
            			break;
            		}
            	}
            	
            }
            
            System.out.println(success ? "YES" : "NO");
        }
    }
}