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