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