module RailsI18n::Transliteration::Russian

def upper
  @upper ||= begin
    upper_single = {
      "Ґ"=>"G","Ё"=>"YO","Є"=>"E","Ї"=>"YI","І"=>"I",
      "А"=>"A","Б"=>"B","В"=>"V","Г"=>"G",
      "Д"=>"D","Е"=>"E","Ж"=>"ZH","З"=>"Z","И"=>"I",
      "Й"=>"Y","К"=>"K","Л"=>"L","М"=>"M","Н"=>"N",
      "О"=>"O","П"=>"P","Р"=>"R","С"=>"S","Т"=>"T",
      "У"=>"U","Ф"=>"F","Х"=>"H","Ц"=>"TS","Ч"=>"CH",
      "Ш"=>"SH","Щ"=>"SCH","Ъ"=>"'","Ы"=>"Y","Ь"=>"",
      "Э"=>"E","Ю"=>"YU","Я"=>"YA",
    }
    (upper_single.merge(upper_multi)).freeze
  end
end