[ num ] sp capword sp capword sp capword . sp capword sp capword . sp – – sp num othword sp othword . sp – – sp capword sp othword sp othword sp othword sp othword sp othword othword sp othword . sp capword sp capword , sp capword sp : sp capword , sp year . sp – – sp caplet . sp num – num . sp – – sp upword sp year sp num sp num .