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