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