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