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