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