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