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