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