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