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