Anagrams.cs

// Solution for James Michael Hare's anagram challenge (http://geekswithblogs.net/BlackRabbitCoder/archive/2015/07/28/little-puzzlersndashlist-all-anagrams-for-a-word.aspx)
// Run in LinqPad, adding a reference to Microsoft.Experimental.Collections
void Main()
{
    string path = @"D:\tmp\words.txt";
    var dict = new MultiValueDictionary<string, string>();
    foreach (var word in File.ReadLines(path))
    {
        dict.Add(new string(word.OrderBy(c => c).ToArray()), word);
    }
    string input = Console.ReadLine();
    var anagrams = dict[new string(input.OrderBy(c => c).ToArray())];
    anagrams.Dump();
}