[ capword ] sp capword sp capword sp othword sp capword sp caplet . sp capword . sp capword , sp othword , sp othword sp & sp othword : sp capword othword sp othword sp othword - othword sp othword sp othword sp othword sp othword . sp capword sp capword sp capword sp othword capword othword - caplet othword sp [ othword ] , sp othword sp num – num .