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) {
        try {
			String regex_pattern = ".*h.*a.*c.*k.*e.*r.*r.*a.*n.*k.*";
			Pattern p = Pattern.compile(regex_pattern);
			
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			int queries = Integer.parseInt(br.readLine());
			
			while (queries-->0) {
				Matcher m = p.matcher(br.readLine());
				System.out.println(m.matches() ? "YES" : "NO");
			}
			
		} catch (Exception e) {
			e.printStackTrace();
		}
    }
}