Morse code encoder, with extra ( ͡° ͜ʖ ͡°)

( ͡° ͜ʖ ͡°).cs

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

class Program {
	static readonly Dictionary<char, string> morseCodes
	= new Dictionary<char, string> {
		// ITU-R M.1677-1 1.1.1
		{'a', ".-"},    {'i', ".."},   {'r', ".-."},
		{'b', "-..."},  {'j', ".---"}, {'s', "..."},
		{'c', "-.-."},  {'k', "-.-"},  {'t', "-"},
		{'d', "-.."},   {'l', ".-.."}, {'u', "..-"},
		{'e', "."},	{'m', "--"},   {'v', "...-"},
		{'é', "..-.."}, {'n', "-."},   {'w', ".--"},
		{'f', "..-."},	{'o', "---"},  {'x', "-..-"},
		{'g', "--."},	{'p', ".--."}, {'y', "-.--"},
		{'h', "...."},  {'q', "--.-"}, {'z', "--.."},
		// ITU-R M.1677-1 1.1.2
		{'1', ".----"}, {'6', "-...."},
		{'2', "..---"}, {'7', "--..."},
		{'3', "...--"}, {'8', "---.."},
		{'4', "....-"}, {'9', "----."},
		{'5', "....."}, {'0', "-----"},
		// ITU-R M.1677-1 1.1.3
		{'.' , ".-.-.-"},
		{',' , "--..--"},
		{':' , "---..."},
		{'?' , "..--.."},
		{'\'', ".----."},
		{'-' , "-....-"},
		{'/' , "-..-." },
		{'(' , "-.--." },
		{')' , "-.--.-"},
		{'\"', ".-..-."},
		{'=' , "-...-" },
		// "Understood" unimplemented
		// "Error" unimplemented
		{'+' , ".-.-." },
		// "Invitation to transmit" unimplemented
		// "Wait" unimplemented
		// "End of work" unimplemented
		// "Starting signal" unimplemented
		{'*' , "-..-"  },
		{'@' , ".--.-."}
	};
	static string EncodeMorse(string text) {
		bool isWhitespace = false;
		StringBuilder letterStream = new StringBuilder();
		foreach (char symbol in text.Trim()) {
			if (Char.IsWhiteSpace(symbol) && !isWhitespace) {
				isWhitespace = true;
				letterStream.Append("...");
			}
			if (!(isWhitespace = Char.IsWhiteSpace(symbol))) {
				string morse;
				if (morseCodes.TryGetValue(Char.ToLower(symbol), out morse)) {
					letterStream.Append(morse);
					letterStream.Append(".");
				}
			}
		}
		StringBuilder ret = new StringBuilder();
		bool firstChar = true;
		foreach (char symbol in letterStream.ToString()) {
			if (!firstChar) 
				ret.Append(".");
			ret.Append(symbol);
			firstChar = false;
		}
		return ret.ToString();
	}
	static readonly Dictionary<char,string> lolDongs
	= new Dictionary<char, string> {
		{ '-', "( ͡° ͜ʖ ͡°)"}
	};
	static string Dongs(string text) {
		StringBuilder stream = new StringBuilder();
		foreach (char symbol in text) {
			string dong;
			if (lolDongs.TryGetValue(symbol, out dong)) 
				stream.Append(dong);
			else
				stream.Append(symbol);
		}
		return stream.ToString();
	}
	static void Main() {
		string line;
		while ((line = Console.ReadLine()) != null) {
			Console.WriteLine(Dongs(EncodeMorse(line)));
		}
	}
}