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