См. https://mw.lojban.org/papri/%D0%AD%D1%82%D0%B0%D0%BB%D0%BE%D0%BD%D0%BD%D0%B0%D1%8F_%D0%93%D1%80%D0%B0%D0%BC%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0_%D0%9B%D0%BE%D0%B6%D0%B1%D0%B0%D0%BD%D0%B0