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