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