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