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