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