<P> The Danish and Norwegian alphabet, called the Dano - Norwegian alphabet is based upon the Latin alphabet and has consisted of the following 29 letters since 1917 (Norwegian) and 1948 (Danish). </P> <Table> Dano - Norwegian alphabet <Tr> <Th> Upper case </Th> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> Q </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> U </Td> <Td> V </Td> <Td> </Td> <Td> X </Td> <Td> Y </Td> <Td> Z </Td> <Td> Æ </Td> <Td> Ø </Td> <Td> Å </Td> </Tr> <Tr> <Th> Lower case </Th> <Td> </Td> <Td> </Td> <Td> </Td> <Td> d </Td> <Td> </Td> <Td> f </Td> <Td> g </Td> <Td> h </Td> <Td> i </Td> <Td> j </Td> <Td> k </Td> <Td> l </Td> <Td> m </Td> <Td> n </Td> <Td> o </Td> <Td> p </Td> <Td> q </Td> <Td> r </Td> <Td> s </Td> <Td> </Td> <Td> u </Td> <Td> </Td> <Td> w </Td> <Td> x </Td> <Td> y </Td> <Td> z </Td> <Td> æ </Td> <Td> ø </Td> <Td> å </Td> </Tr> </Table>

How many letters are in the danish alphabet