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();
        char a[] = {'h','a','c','k','e','r','r','a','n','k'};
        
        //System.out.println(b[7]);
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            int l=0;
            boolean b[]=new boolean[10];
            for(int i=0;i<s.length();i++){
                char c=s.charAt(i);
                if(c==a[l] && b[l]==false){
                    //System.out.println(c+" "+a[l]);
                    b[l]=true;
                    l++;
                }
            }
            int f=0;
            for(int i=0;i<10;i++){
                //System.out.println(i+" "+b[i]);
                if(b[i]==false)
                {
                    f=1;
                    break;
                }
            }
            if(f==0)
                System.out.println("YES");
            else
                System.out.println("NO");
        }
    }
}