import java.util.Scanner;
import java.util.TreeSet;

public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
TreeSet<string> set = new TreeSet<>();
String s = scanner.next();
for (int i = 0; i < s.length(); i++)
set.add(s.substring(i));
for (String s1 : set)
System.out.println(s1);
}
}</string>