[ num ] sp capword sp caplet . sp capword sp capword sp othword sp capword sp capword . sp capword : sp upword sp capword sp capword sp othword sp capword , capword , sp capword , sp othword sp capword : sp capword sp othword sp capword sp ( upword ) . sp capword , sp upword : upword ; sp year . sp smallet . sp num . sp capword . sp capword sp othword : sp othword : / / othword . othword . othword / othword othword . othword othword num & othword othword & upword num & upword num .