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