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 n = in.nextInt();
        String[] val=new String[n];
        for(int i=0;i<n;i++){
            val[i]=in.next();
           
        }
        
        
        char[] ca={'h','a','c','k','e','r','r','a','n','k'};
        for(int i=0;i<n;i++){
            char temp[]=val[i].toCharArray();
            int index=0;
            for(char c:temp){
                if(c==ca[index]){
                    index+=1;
                }
                
            }
            
            if(index==10){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");
        }
        }
        
       
    }
}