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
        
        char[] arr=s.toCharArray();
        int flag=0;
        for(int i=0;i<s.length();i++){
            if(arr[i]=='h'){flag=1;}
           if(flag==1){
               if(arr[i]=='a'){flag=2;}
            }
            if(flag==2){
                if(arr[i]=='c'){flag=3;}
            } 
            if(flag==3){
                if(arr[i]=='k'){flag=4;}
            }
            if(flag==4){
                if(arr[i]=='e'){flag=5;}
            } 
            if(flag==5){
                if(arr[i]=='r'){flag=6;}
            } 
            if(flag==6){
                if(arr[i]=='r'){flag=7;}
            }
            if(flag==7){
                if(arr[i]=='a'){flag=8;}
            } 
            if(flag==8){
                if(arr[i]=='n'){flag=9;}
            }
            if(flag==9){
                if(arr[i]=='k'){flag=10;}
            }
        }
        
        if(flag==10){
            System.out.println("YES");
        }
        else{
            
             System.out.println("NO");           
        }
        }
    }
}