import java.util.Scanner;

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();
			check(s);

		}
	}

	private static void check(String s) {
		char[] arr = { 'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k' };
		boolean yes = false;
		int index = 0;
		for (int i = 0; i < s.length(); i++) {

			if (s.charAt(i) == arr[index]) {
				index++;
				if (index == 9) {
					yes = true;
					break;
				}

			}
		}

		if (yes) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}

	}

}