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