Anagrama en Ruby

anagrama.rb

def anagram(word, word2)
	word.delete(" " "," ".").downcase.chars.sort.join === word2.delete(" " "," ".").downcase.chars.sort.join
end


words = [
  ["casa", "saca"],
	["frase", "fresa"],
  ["letras", "lastre"],
  ["cosa", "sica"],
  ["mongo", "mango"]
	]
words.each{|group|
	puts "¿'#{group[0]}' es anagrama de '#{group[1]}'? #{anagram(group[0], group[1])}"
}