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