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