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