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 contains = false;
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            
            //hackerrank
            boolean h = false;
            boolean a = false;
            boolean c = false;
            boolean k = false;
            boolean e = false;
            boolean r = false;
            boolean rr = false;
            boolean aa = false;
            boolean n = false;
            boolean kk = false;
            int countr = 0;
            int countk = 0;
            int counta = 0;
            
            
            for (int i = 0; i < s.length(); i++){
                char ch = s.charAt(i);
                if (ch == 'h'){
                    h = true;
                }else if ((ch == 'a') && (h==true)&&(counta==0)){
                    a = true; 
                    counta++;
                }else if ((ch == 'c') && (h==true) && (a==true)){
                    c = true;
                }else if ((ch == 'k')&&(h==true)&&(a==true)&&(c==true)&&(countk==0)){
                    k = true;
                    countk++;
                }else if ((ch == 'e')&&(h==true)&&(a==true)&&(c==true)&&(k==true)){
                    e = true;
                }else if ((ch == 'r')&&(h==true)&&(a==true)&&(c==true)&&(k==true)&&(e==true)&&(countr==0)){
                    r = true;
                    countr++;
                }else if ((ch == 'r')&&(h==true)&&(a==true)&&(c==true)&&(k==true)&&(e==true)&&(r==true)){
                    rr = true;
                }else if ((ch == 'a')&&(h==true)&&(a==true)&&(c==true)&&(k==true)&&(e==true)&&(r==true)&&(rr==true)){
                    aa = true;
                }else if ((ch == 'n')&&(h==true)&&(a==true)&&(c==true)&&(k==true)&&(e==true)&&(r==true)&&(rr==true)&&(aa==true)){
                    n = true;
                }else if ((ch == 'k')&&(h==true)&&(a==true)&&(c==true)&&(k==true)&&(e==true)&&(r==true)&&(rr==true)&&(aa==true)&&(n==true)){
                    kk = true;
                }
            }
                
                if (kk==true){
                    System.out.println("YES");
                }else{
                    System.out.println("NO");
                }
                
                
                
            
          
        }
    }
}