[ num ] sp capword sp caplet . sp capword , sp capword sp capword , sp capword sp capword , sp othword sp capword sp capword . sp upword sp othword sp othword sp othword . capword sp capword sp [ num ] , sp othword sp num – num . sp ( othword . othword . othword / num upword * . othword . caplet ) . capword : sp othword capword : sp * othword , * upword , othword sp / othword , othword sp / othword