#3GenerateThreeLetterWords

import java.util.Scanner;

public class GenerateThreeLetterWords {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String input = scan.next();
        char[] inputChars = input.toCharArray();
        for (int i = 0; i < inputChars.length; i++) {
            for (int j = 0; j < inputChars.length; j++) {
                for (int j2 = 0; j2 < inputChars.length; j2++) {
                    System.out.printf("%c%c%c ", inputChars[i], inputChars[j], inputChars[j2]);
                }
            }
        }
    }
}