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