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