[ num ] sp year sp capword sp num caplet sp capword sp capword sp capword sp ( num upword ) , sp capword , sp capword , sp capword sp num - num , 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 .