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