[ num ] sp capword sp caplet . sp capword sp capword sp othword sp capword : sp capword sp othword sp othword sp othword : sp capword sp othword othword sp othword sp capword sp capword sp [ upword sp capword sp capword ] ; sp year . sp capword sp othword : sp othword : / / othword . othword . othword . othword / othword / othword othword num . num . num . num . num & othword othword & othword othword .