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