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