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();
        char[] aWord = {'h','a','c','k','e','r','n'};
        int nTimes=0;
        
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            for (char i:aWord){
                if(s.indexOf(i) >= 0){
                    nTimes++;
                    if(s.lastIndexOf(i) == s.indexOf(i) ){
                        
                    }else{
                        nTimes++;
                    }
                }
                //if(s.lastIndexOf(i) >= 0){
                //    nTimes++;
                //}
            }
            if(nTimes >= 11){
                System.out.println("YES");
            }else{
                System.out.println("NO");
            }
            nTimes = 0;
        }
    }
}