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();
        String[] strs = { "h", "a", "c", "k", "e", "r", "r", "a", "n", "k"};
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            boolean x = true;
            
            int[] indexs = new int[10];
            for(int i = 0; i < 10 && x; i++){
                
                indexs[i] = s.indexOf(strs[i]);
                if (indexs[i] == -1){
                    x = false;
                    break;
                }
                
                s = s.substring(indexs[i] + 1);
                
            }
            if (x)
                System.out.println("YES");
            else
                System.out.println("NO");
        }
    }
}