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 n = Integer.parseInt(in.nextLine());
        for(int i = 0; i<n; i++) {
        	String chaine = in.nextLine();
        	if(chaine.matches("[a-z]*h[a-z]*a[a-z]*c[a-z]*k[a-z]*e[a-z]*r[a-z]*r[a-z]*a[a-z]*n[a-z]*k[a-z]*"))
        		System.out.println("YES");
        	else
        		System.out.println("NO");
        }
    }
}