duck[10], funk[10], ruck[10], fund[7], kund[7], krud[7], drud[4], rund[4],
duc[6], fun[6], unk[6], ruf[6], kur[6], dun[3], und[3], dur[3], nur[3], run[3],
du[2], ud[2], nu[2], ur[2],
