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