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();
            // your code goes here
            boolean isHackerrank = false;
            int i = 0;
            if(s.indexOf('h' , i) != -1){                                           //h
                i = s.indexOf( 'h' , i) + 1;
                if(s.indexOf('a' , i) != -1){                                       //a
                     i = s.indexOf( 'a' , i) + 1;
                     if(s.indexOf('c' , i) != -1){                                  //c
                        i = s.indexOf( 'c' , i) + 1;
                        if(s.indexOf('k' , i) != -1){                               //k
                            i = s.indexOf( 'k' , i) + 1;
                            if(s.indexOf('e' , i) != -1){                           //e
                                i = s.indexOf( 'e' , i) + 1;
                                if(s.indexOf('r' , i) != -1){                       //r
                                     i = s.indexOf( 'r' , i) + 1;
                                     if(s.indexOf('r' , i) != -1){                  //r
                                        i = s.indexOf( 'r' , i) + 1;
                                        if(s.indexOf('a' , i) != -1){               //a
                                            i = s.indexOf( 'a' , i) + 1;
                                            if(s.indexOf('n' , i) != -1){           //n
                                                i = s.indexOf( 'n' , i) + 1;
                                                if(s.indexOf('k' , i) != -1){       //k
                                                    isHackerrank = true;
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }//end of if garbage 
            if(isHackerrank)
                System.out.println("YES");
            else
                System.out.println("NO");
        }//end of for loop
    }//main
}//class