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