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combine_anagrams

jctt
Feb 21st, 2013
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  1. def combine_anagrams(words)
  2.     h = Hash[words.map {|x| [x.downcase.chars.sort.join, Array.new ]}]
  3.    
  4.     words.each { |x| h[x.downcase.chars.sort.join].push(x) }
  5.    
  6.     return h.values
  7. end
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