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