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