[ num ] sp capword sp capword sp othword sp capword sp capword . sp capword sp othword sp othword sp othword sp othword sp othword othword . sp 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 sp othword , othword / othword sp othword