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