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