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