docs: def rhyming_part(phones):
      """Get the "rhyming part" of a string with CMUdict phones.
  
      "Rhyming part" here means everything from the vowel in the stressed
      syllable nearest the end of the word up to the end of the word.
  
      .. doctest::
  
          >>> import pronouncing
          >>> phones = pronouncing.phones_for_word("purple")
          >>> pronouncing.rhyming_part(phones[0])
          'ER1 P AH0 L'
  
      :param phones: a string containing space-separated CMUdict phones
      :returns: a string with just the "rhyming part" of those phones
      """
      phones_list = phones.split()
      for i in range(len(phones_list) - 1, 0, -1):
          if phones_list[i][-1] in '12':
              return ' '.join(phones_list[i:])
      return phones