import java.io.*;
import java.util.*;
class a
{
public static void main(String args[])
{
	int k,i,count=0,c=0,j,l=0;
char arr[]={'h','a','c','k','e','r','r','a','n','k'};
Scanner  s = new Scanner(System.in);

int n = s.nextInt();
for(k=0;k<n;i++)
{
String value = s.next();
l=value.length();
for(i=0;i<10;i++)
{
for(j=i;j<l;j++)
{
if(arr[i]==value.charAt(j))
{
count++;
//System.out.println("count :"+count);
break;
}

}
}
if(count==10)
System.out.println("YES");
else
System.out.println("NO");
}
}
}