new_contents: 
  def pl_1(order):
      """2, 3, 4"""
      return (order == 'тысяча') and 'тысячи' or order + 'а'
  
  def pl_2(order):
      """5 и больше"""
      return (order == 'тысяча') and 'тысяч' or order + 'ов'
  
  RU_PASSES = """
  ^ 1 <order> = <order>
  1 <thousand> = одна тысяча
  2 <thousand> = две тысячи
  <2_to_4> <order> = <order, pl_1>
  <not_1> <order> = <order, pl_2>
  """
  
  
subject: Add preliminary Russian spelling definitions