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 a=0,h=0,c=0,k=0,e=0,r=0,r1=0,a1=0,n=0,k1=0,i;
        int q = in.nextInt();
        for(int j=1;j<=q;j++){
            a=0;c=0;k=0;e=0;r=0;n=0;h=0;
            String s=in.next();
            char cc[]=s.toCharArray();
            
            for(i=0;i<s.length();i++){
                
                if(cc[i]=='h')
                    h++;
                    else if(cc[i]=='a'&&h>0)a++;
                    else if(cc[i]=='c'&&a>0&&h>0)c++;
                   else if(cc[i]=='k'&&c>0&&h>0&&a>0)k++;
                   else if(cc[i]=='e'&&k>0&&c>0&&h>0&&a>0)e++;
                    else if(cc[i]=='r'&&e>0&&k>0&&c>0&&h>0&&a>0)r++;
               else if(cc[i]=='r'&&r>=1&&e>0&&k>0&&c>0&&h>0&&a>0)r++;
               else if(cc[i]=='a'&&r>=2&&a>=1&&e>0&&k>0&&c>0&&h>0)a++;
                  
                 else if(cc[i]=='n'&&a>=2&&r>=2&&e>0&&k>0&&c>0&&h>0)n++;
                    else if(cc[i]=='k'&&a>=2&&r>=2&&e>0&&k>=1&&c>0&&h>0&&n>0)k++;
                    
                
            }
            if(h>=1&&a>=2&&c>=1&&k>=2&&e>=1&&r>=2&&n>=1)
                System.out.println("YES");
            else
                System.out.println("NO");
        }
        }
    }