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