C#-Code

using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;

namespace TYP211 {
  class Program {
    static void Main() {
      Console.WriteLine("Erstelle Index");
      Dictionary<string, List<string>> Index = CreateIndex();
      Console.Clear();

      while(true) {
        Console.Write("Suche>");
        string key = BuildKey(Console.ReadLine());

        if(Index.ContainsKey(key)) {
          Console.WriteLine(string.Join("\n", Index[key]));
        } else {
          Console.WriteLine("Keine Ergebnisse");
        }

        Console.WriteLine();
      }
    }

    static Dictionary<string, List<string>> CreateIndex() {
      Dictionary<string, List<string>> Index = new Dictionary<string, List<string>>();

      Assembly Ass = Assembly.GetExecutingAssembly();

      using(Stream stream = Ass.GetManifestResourceStream("TYP211.resource.german.dic")) {
        using(StreamReader reader = new StreamReader(stream)) {
          while(!reader.EndOfStream) {
            string word = reader.ReadLine().ToUpper();
            string key = BuildKey(word);

            if(Index.ContainsKey(key) && !Index[key].Contains(word)) {
              Index[key].Add(word);
            } else {
              Index[key] = new List<string>() { word };
            }
          }
        }
      }

      return Index;
    }

    static string BuildKey(string word) {
      char[] key = word.ToLower().ToCharArray();
      Array.Sort(key);

      return new string(key);
    }
  }
}