ProgBasicsJavaBook7.2ComplexLoop01stupid0PasswordGenerator

import java.util.Scanner;

public class E01stupidPasswordGenerator {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);

            int n = Integer.parseInt(scanner.nextLine());
            int l = Integer.parseInt(scanner.nextLine());

            for (int first = 1; first < n; first++) {
                for (int second = 1; second < n; second++) {
                    for (char third = 'a'; third < 'a' + l; third++) {
                        for (char fourth = 'a'; fourth < 'a' +l; fourth++) {
                            for (int fifth = Math.max(first, second) + 1; fifth <= n; fifth++) {
                                System.out.print(String.format("%d%d%c%c%d ", first, second, third, fourth, fifth));

                            }
                        }
                    }
                }
            }


        }
    }