[ num ] sp capword sp caplet . sp capword sp capword sp othword sp capword sp capword sp capword sp [ capword sp othword sp capword ] . capword : sp capword sp capword sp othword sp capword , sp capword sp capword ; sp year . sp capword sp othword : sp othword : / / othword . othword . othword . othword / othword / othword / year capword . othword .