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