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