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 a0 = 0; a0 < q; a0++){
            String s = in.next();
        char ch []= new char[10];
            ch[0]='h';
            ch[1]='a';
            ch[2]='c';
            ch[3]='k';
            ch[4]='e';
            ch[5]='r';
            ch[6]='r';
            ch[7]='a';
            ch[8]='n';
            ch[9]='k';
            int left[]= new int [10];
            int j =0;
            for(int i =0;i<s.length();i++)
            {
                if(s.charAt(i)==ch[j]&&j<10)
                { if(j<10){
                    left[j]=1;
                    j++;}
                 else
                     break;
                }
                
            }
            int f =0;
            for(int k =0;k<10;k++)
            {
                if(left[k]==0)
                {
                  f=1;
                    System.out.println("NO");
                    break;
                }
                
            }
            if(f==0)
                System.out.println("YES");
        }
    }
}