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