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