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();
        Boolean result = true;
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            int [] stuff = {1,2,1,2,1,2,1};
            for(int i=0; i < s.length();i++) {
                switch(s.charAt(i)){
                    case 'h': stuff[0]--;
                                break;
                    case 'a': stuff[1]--;
                                break;
                    case 'c': stuff[2]--;
                                break;
                    case 'k': stuff[3]--;
                                break;
                    case 'e': stuff[4]--;
                                break;
                    case 'r': stuff[5]--;
                                break;
                    case 'n': stuff[6]--;
                                break;
                    default: break;
                }
            }
            
            for(int a : stuff){
                if(a>0){
                    result = false;
                }
            }
            
            if(result){
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
    }
}