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