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