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