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