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