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