code: def _phonetic_numbers(self, phonetic):
          
          phonetic_array = phonetic.split('-')  # for names with spaces in them
          result = ' '.join(
              [self._pnums_with_leading_space(i)[1:] for i in phonetic_array]
          )
          return result
docs: Prepare & join phonetic numbers.
  
          Split phonetic value on '-', run through _pnums_with_leading_space,
          and join with ' '
  
          Parameters
          ----------
          phonetic : str
              A Beider-Morse phonetic encoding
  
          Returns
          -------
          str
              A Beider-Morse phonetic code