[ num ] sp upword sp year sp capword - capword sp capword sp capword sp capword : sp num othword sp capword sp capword sp capword sp capword , num othword sp capword sp capword sp othword sp capword - capword sp capword sp othword sp capword - capword sp capword sp othword capword sp capword , sp othword sp num othword sp capword sp capword sp capword sp capword sp othword - othword sp othword sp capword sp capword othword : sp capword sp othword sp capword sp ( upword sp year ) , sp capword , sp capword sp capword , sp capword sp num sp - num , sp year sp / sp capword . sp othword sp capword sp capword sp [ othword sp othword . ] . sp – – sp capword . sp num sp othword sp upword sp capword sp capword , upword - upword . othword , sp year . sp – – sp upword : sp othword : / / othword - othword . othword / capword - num .