PasswordGenerator

namespace _06.StupidPasswordGenerator
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;

    public class PasswordGeneratorMain
    {
        public static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int l = int.Parse(Console.ReadLine());

            int firstLatinLetterWeight = Convert.ToInt32('a');

            for (int firstDigit = 1; firstDigit <= n; firstDigit++)
            {
                for (int secondDigit = 1; secondDigit <= n; secondDigit++)
                {
                    for (int firstLetter = firstLatinLetterWeight; firstLetter < firstLatinLetterWeight + l; firstLetter++)
                    {
                        for (int secondLetter = firstLatinLetterWeight; secondLetter < firstLatinLetterWeight + l; secondLetter++)
                        {
                            for (int lastDigit = 1; lastDigit <= n; lastDigit++)
                            {
                                if (lastDigit > firstDigit && lastDigit > secondDigit)
                                {
                                    Console.Write(
                                        "{0}{1}{2}{3}{4} ",
                                        firstDigit,
                                        secondDigit,
                                        Convert.ToChar(firstLetter),
                                        Convert.ToChar(secondLetter),
                                        lastDigit);
                                }
                            }
                        }
                    }
                }
            }
            Console.WriteLine();
        }
    }
}