Word Scramble v1.2

using System;
using System.Collections.Generic;

namespace WordScramble
{
    class Program
    {
        static string[] inputList = new string[]
        {
           "i'm trying my best ma'am", "i'm over here"
        };

        public static string RandomString()
        {
            Random random = new Random();

            string output = inputList[random.Next(inputList.Length)];

            return output;
        }


        static void Main(string[] args)
        {
            Console.WriteLine("WORD SCRAMBLE\n\nTry to unscramble this message!\n");

            string originalMessage = RandomString();
            WriteMessage(originalMessage);

            Console.WriteLine("\n\nPress enter to see the answer...\n");
            Console.ReadLine();

            Console.WriteLine(originalMessage);
            Console.ReadLine();

            // Outputs something similar to:
            // acher ofr het asrst
        }

        public static void WriteMessage(string message)
        {
            Console.ForegroundColor = ConsoleColor.Red;

            string[] messageArray = message.Split(" ");

            // For each word, scramble it then write it to the console.
            foreach (string word in messageArray)
            {
                string scrambledWord;
                do
                {
                    scrambledWord = Scramble(word);

                    // Check to see if each scrambled word is equal to the starting word
                    // If they are not equal then write it to the console
                    // If they are equal then go back to loop and scramble it again

                    if (word != scrambledWord)
                    {
                        Console.Write(scrambledWord + " ");
                    }
                }
                while (word == scrambledWord);
            }

            Console.ResetColor();
        }

        public static string Scramble(string word)
        {
           string output = "";

            List<char> letterArray = new List<char>();
            letterArray.Clear();
            letterArray.AddRange(word);

            // Remove punctuation and record its index in the array
            int? specialCharIndex;
            if( letterArray.Contains('\''))
            {
                specialCharIndex = letterArray.IndexOf('\'');
                letterArray.RemoveAt((int)specialCharIndex);
            }
            else
            {
                specialCharIndex = null;
            }


            Random random = new Random();

            // randomly order the letters in the list<char>
            for (int i = letterArray.Count; i > 0; i--)
            {
                int index = random.Next(letterArray.Count);
                char currentChar = letterArray[index];

                output += currentChar;

                letterArray.RemoveAt(index);
            }

            // return output, if output contained an ' then add it to the string. TODO - need to add more to catch other special characters
            if (specialCharIndex != null)
            {
                return output.Insert((int)specialCharIndex, "\'");
            }
            else
            {
                return output;
            }

        }
    }
}