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