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