Word Scramble v1.1

using System;
using System.Collections.Generic;

namespace WordScramble
{
    class Program
    {
        static void Main(string[] args)
        {
            string sentence = "reach for the stars";
            string[] sentenceArray = sentence.Split(" ");

            Console.WriteLine("WORD SCRAMBLE\n\nTry to unscramble this message!\n");

            Console.ForegroundColor = ConsoleColor.Red;

            // For each word, scramble it then write it to the console.
            foreach (string word in sentenceArray)
            {
                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();

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

            Console.WriteLine(sentence);
            Console.ReadLine();

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

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

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

                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;
        }
    }
}