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