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 count,flag=0;
        int q = in.nextInt();
        char[] H= {'h','a','c','k','e','r','n'};
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            for(int i =0;i<7;i++){
                if(i==1||i==3||i==5)
                    count =2;
                else 
                    count =1;
                for(int j =0 ; j<s.length();j++)
                    {
                    if(s.charAt(j)==H[i])
                        count--;
                }
                if(count>0)
                    flag=1;
            }
            if(flag !=0)
                System.out.println("NO");
            else
                System.out.println("YES");
        }
    }
}