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