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