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