gurk[8], krug[8], kund[7], burg[7], grub[7], krud[7], bund[6], dung[5], rund[4],
buk[8], bug[6], unk[6], kur[6], gnu[4], gur[4], dun[3], und[3], dur[3], nur[3], run[3],
du[2], ud[2], nu[2], ur[2],
