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