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 queries = in.nextInt();
        for (int q = 0; q < queries; q++)
            {
            String str = in.next();
            //hackerrank is 10 letters long
            boolean foundH = false, foundA = false, foundC = false, foundK = false, foundE = false, foundR = false, foundR2 = false, foundA2 = false, foundN = false, foundK2 = false;
            for (int i = 0; i < str.length(); i++)
                {
                if (!foundH)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("h"))
                        {
                        foundH = true;
                        }
                    }
                else if (!foundA)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("a"))
                        {
                        foundA = true;
                        }
                    }
                else if (!foundC)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("c"))
                        {
                        foundC = true;
                        }
                    }
                else if (!foundK)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("k"))
                        {
                        foundK = true;
                        }
                    }
                else if (!foundE)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("e"))
                        {
                        foundE = true;
                        }
                    }
                else if (!foundR)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("r"))
                        {
                        foundR = true;
                        }
                    }
                else if (!foundR2)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("r"))
                        {
                        foundR2 = true;
                        }
                    }
                else if (!foundA2)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("a"))
                        {
                        foundA2 = true;
                        }
                    }
                else if (!foundN)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("n"))
                        {
                        foundN = true;
                        }
                    }
                else if (!foundK2)
                    {
                    if (str.substring(i, i+1).equalsIgnoreCase("k"))
                        {
                        foundK2 = true;
                        break;
                        }
                    }
                }
            
            if (foundK2)
                System.out.println("YES");
            else
                System.out.println("NO");
            }
        }
}