05. Password Generator

import java.util.Scanner;

public class PasswordGenerator {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n1 = Integer.parseInt(scanner.nextLine());
        int l = Integer.parseInt(scanner.nextLine());
        for (int i = 1; i <= n1; i++) {
            for (int j = 1; j <= n1; j++) {
                for (char k = 'a'; k < 'a'+l; k++) {
                    for (char m = 'a'; m < 'a'+l; m++) {
                        for (int n = 1; n <= n1; n++) {
                            if (n>i && n>j){
                                System.out.printf("%d%d%c%c%d ",i,j,k,m,n);
                            }
                        }
                    }
                }
            }
        }
    }
}