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