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