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