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