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