SortedList for Letter Frequency?

using System;

using System.Collections.Generic;

using System.Linq;



namespace _83705

{

	class Program

	{

		static void Main(string[] args)

		{

			String s = "FSPFWODNQINSEGDRHRFPMEDOGNWAIUFGBWIVSDGM";

			int[] FreqArray = new int[26];

			foreach (char c in s.ToCharArray())

				++FreqArray[c - 'A'];

			Dictionary> FreqMap = new Dictionary>();

			List FreqList;

			int ArrayFreq;

			for (int i = 0; i < FreqArray.Length; ++i)

			{

				ArrayFreq = FreqArray[i];

				if (FreqMap.TryGetValue(ArrayFreq, out FreqList))

					FreqList.Add((char)(i + 'A'));

				else

				{

					FreqList = new List();

					FreqList.Add((char)(i + 'A'));

					FreqMap[ArrayFreq] = FreqList;

				}

			}

			IEnumerable Sorted =

				from kvp in FreqMap

				orderby kvp.Key

				select new FreqCharPair(kvp.Key, kvp.Value);

			foreach (var Pair in Sorted)

			{

				Console.Write("{0}", Pair.Freq);

				foreach (char c in Pair.CharList)

					Console.Write(" {0}", c);

				Console.WriteLine();

			}

		}



		class FreqCharPair

		{

			public int Freq;

			public List CharList;

			public FreqCharPair(int Freq, List CharList)

			{

				this.Freq = Freq;

				this.CharList = CharList;

			}

		}

	}

}