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