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