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