[ num ] sp capword , sp caplet . , sp capword sp capword , sp capword sp capword , sp othword sp capword sp capword . sp year . sp smallet . sp num – num . capword : sp capword , sp caplet . , sp othword sp capword sp capword . sp , sp ( othword . ) , sp upword / upword sp num othword sp capword sp capword sp othword capword sp capword : sp capword sp capword sp ( upword - capword ) , sp .