level 1 ABC
level 2 ABCDEFGHI
level 3 ABCDEFGHIJKLMNOPQRS
level 4 ABCDEFGHIJKLMNOPQRSTUVWXYZÆØÅ
level 5 0123456789
level 6 ABCDEFGHIJKLMNOPQRSTUVWXYZÆØÅ0123456789
level 7 abcdefghijklmnopqrstuvwxyzæøå
level 8 abcdefghijklmnopqrstuvwxyzæøå0123456789
level 9 ABCDEFGHIJKLMNOPQRSTUVWXYZÆØÅabcdefghijklmnopqrstuvxyzæøå0123456789
