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