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