/* package whatever; // don't place package name! */
 
import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Pattern rx = Pattern.compile("[a-z&&[^aeiou]]{2}", Pattern.CASE_INSENSITIVE);
		for (String s : new String[] {"java", "lock", "loop", "school"}) {
			if (rx.matcher(s).find()) {
				System.out.println(s);
			}
		}
	}
}

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