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 = in.nextInt();
        char[] c = new char[] {'h','a','c','k','e','r','r','a','n','k'};
        for(int i = 0; i < n; i++) {
            String s = in.next();
            //System.out.println(s.matches("^(h.*)(a.*)(c.*)(k.*)(e.*)(r.*){2}\\2(n.*\\4)$") ? "YES" : "NO");
            int x = 0;
            for(int j = 0; j < s.length(); j++) {
                if(s.charAt(j) == c[x]) {
                    x++;
                    if (x==9) break;
                }
            }
            
            if (x == 9) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
    }
}