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