PasswordGenerator

import java.util.Scanner;

public class PasswordGenerator {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        Integer number = Integer.parseInt(scanner.nextLine());
        Integer letter = Integer.parseInt(scanner.nextLine());

        for(int i = 1; i < number+1; i++){
            for(int j = 1; j < number+1; j++){
                for(char k = 'a'; k < 'a'+letter; k++){
                    for(char l = 'a'; l < 'a'+letter; l++){
                        for(int m = 1; m <= number; m++){
                            if(m > i && m > j){
                                System.out.printf("%d%d%s%s%d ",i, j, k, l, m);
                            }
                        }
                    }
                }
            }
        }

    }
}