[ num ] sp capword , sp capword . sp capword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword othword . sp ( capword othword sp othword sp smallet othword sp othword sp othword sp smallet othword 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 / sp capword sp capword sp ; sp capword sp othword sp capword sp num , sp capword . sp — [ caplet . sp smallet . sp : sp smallet . sp smallet . ] , sp year . sp — sp upword : sp othword : / / othword . othword - othword . othword / othword - year .