[ num ] sp capword , sp capword sp capword . sp capword sp othword sp smallet othword sp othword sp smallet othword sp othword othword sp othword sp othword sp othword upword sp othword sp upword sp othword sp othword sp othword sp othword sp othword othword sp smallet othword sp othword - othword . sp capword othword sp othword sp othword sp [ capword ] sp / 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 .