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());
        string[] strArr = new[] {"h", "a", "c", "k", "e", "r", "r", "a", "n", "k"};
        for(int a0 = 0; a0 < q; a0++){
            string s = Console.ReadLine();
            string VAL = "YES";
                if (!string.IsNullOrEmpty(s))
                {
                    int lastIndex = -1;
                    for (int i = 0; i < strArr.Length; i++)
                    {
                        int tempIndex = 0;
                        int cnt = s.Count(j => j == Convert.ToChar(strArr[i]));
                        bool found = false;
                        while (cnt > 0)
                        {
                            if (s.IndexOf(strArr[i],tempIndex) > lastIndex)
                            {
                                lastIndex = s.IndexOf(strArr[i], tempIndex);
                                found = true;
                                break;
                            }
                            else
                            {
                                tempIndex = s.IndexOf(strArr[i], tempIndex) + 1;
                            }
                            cnt--;
                        }

                        if(!found)
                        { VAL = "NO";
                            break;
                        }
                    }
                }
                Console.WriteLine(VAL);
        }
    }
}