[ num ] sp upword sp num : sp capword sp caplet sp capword sp capword sp capword , sp num othword sp capword sp capword sp othword sp caplet sp capword , sp capword othword , sp upword , sp capword sp num - num , sp year , sp capword sp [ capword ] sp / sp capword . sp othword sp capword sp caplet . sp capword , sp capword sp caplet . sp capword , capword sp capword . sp — sp capword . sp num sp othword sp capword sp capword sp othword sp capword sp capword , sp [ caplet . sp smallet . ] sp : sp capword , sp year . sp — upword : sp othword : / / othword . othword / num . num / capword .