using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {

    static void Main(String[] args) {
        int q = Convert.ToInt32(Console.ReadLine());
        for(int a0 = 0; a0 < q; a0++){
            string s = Console.ReadLine();
            // your code goes here
            //int aCount = s.Count( a => a.Equals('a'));
             if(s.Contains('h') &&
               s.Contains('a') && 
               s.Count( a => a.Equals('a')) >= 2 &&
               s.Contains('c') &&
               s.Contains('k') && 
               s.Count( a => a.Equals('k')) >= 2  && 
               s.Contains('e') &&
               s.Contains('r') && 
               s.Count( a => a.Equals('r')) >= 2  &&
               s.Contains('n')               
              )
                {
                Console.WriteLine("YES");
            
            }
            else
            {
                Console.WriteLine("NO");
            }
         
            
        }
    }
}