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