using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace test
{
    class Letter
    {
        public char letter;
        public string nextLetters;

        public Letter(char c, string l)
        {
            letter = c;
            nextLetters = l;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            List<Letter> letters = new List<Letter>();
            List<string> names = new List<string> {"NATALIA", "MARTA", "MONIKA", "JOANNA", "PAULINA", "PATRYCJA"};
            string daughterName = string.Empty;
            char randomLetter;
            int random = 5;

            foreach (var name in names)
            {
                for (int i = 0; i < name.Length; i++)
                {
                    if (i < name.Length - 2)
                        letters.Add(new Letter(name[i], string.Format("{0}{1}", name[i + 1], name[i + 2])));
                    else if(i < name.Length - 1)
                        letters.Add(new Letter(name[i], string.Format("{0}", name[i + 1])));
                }
            }

            random = (new Random((int)DateTime.Now.Ticks).Next(1, letters.Count));
            randomLetter = letters[random - 1].letter;
            daughterName += letters[random - 1].nextLetters;

            foreach (var letter in letters)
            {
                if (daughterName.Length > 7 || daughterName[daughterName.Length - 1] == 'A')
                    break;
                    
                if (daughterName[daughterName.Length - 1] == letter.letter)
                    daughterName += letter.nextLetters;

            }

            Console.Write(daughterName);
            Console.ReadKey();
        }
    }
}