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