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