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