gistfile1.rb

class String
  @@words = File.open("dictionary").read.split
  
  def self.words
    @@words
  end
  
  def is_word?
    @@words.include? self
  end
    
  def qwerty_to_colemak
    self.downcase.tr("qwertyuiopasdfghjkl;zxcvbnm", "qwfpgjluy;arstdhneiozxcvbkm")
  end

  def qwerty_to_dvorak
    self.downcase.tr("qwertyuiopasdfghjkl;zxcvbnm,./", "',.pyfgcrlaoeuidhtns;qjkxbmwvz")
  end
end

String.words.each do |word|
  next if word.length < 5
  colemak_word = word.qwerty_to_colemak
  p [word, colemak_word] if colemak_word.is_word?
end