Anagram game solver

gistfile1.rb

module Anagram
  class Wordlist
    def load_words
      @words = Hash.new{[]}
      File.open("/usr/share/dict/words", "r") do |file|
        while line = file.gets
          word = line.chomp
          @words[word.split('').sort!.join('')] += [word]
        end
      end
    end

    def find_word(str)
      anagrams = []
      3.upto(str.size).each do |n|
        str.split(//).combination(n).map{|w| w.sort.join}.each do |perm|
          anagrams << @words[perm]
        end
      end
      anagrams.flatten.uniq
    end
  end
end