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