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