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