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