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