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 i = 0; i < q; i++){
            String s = in.next();
            
            char[] arrStr = s.toCharArray();
            char[] arrGood = { 'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k' };
            Stack<Character> stack = new Stack<Character>();

            for (int j = arrGood.length - 1; j >= 0; j--) {
                stack.push(arrGood[j]);
                
            }

            for (char c : arrStr) {
                if (!stack.empty() && c == stack.peek()) {
                    stack.pop();
                }
            }
            if (stack.empty()) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
        
    }
}