[ num ] sp capword sp othword sp capword - capword sp capword , sp capword sp capword sp othword sp capword sp capword sp [ capword sp othword sp othword othword sp othword sp othword sp othword sp othword sp capword sp capword sp capword sp othword sp capword sp othword sp capword - capword sp capword othword sp ( capword sp year ) sp othword sp othword sp capword , sp capword , sp othword sp capword sp year , sp othword sp othword sp othword sp othword sp num othword capword sp capword sp othword sp capword sp othword sp capword sp capword ] sp / sp capword . sp othword sp capword sp capword , sp capword sp capword othword , sp capword sp capword , sp capword sp capword sp capword . sp – – sp capword . sp num sp othword sp capword sp capword sp othword sp capword capword , sp capword , sp year . sp – – sp upword : sp othword : / / othword . othword / num . num / num - num - num - year - num .