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