    def equate_words_register(wordE, word)
      unless wordE == word
        wordE.split('').each_with_index do |c, i|
          unless wordE[i] == word[i]
            if word[i] == YO_LETTER
              if wordE[i] == BIG_E_LETTER
                word[i] = BIG_YO_LETTER
              else
                next
              end
            else
              word[i] = UnicodeUtils.upcase word[i]
            end
          end
        end
      end
      word
    end