duck[10], ruck[10], kund[7], krud[7], lund[5], rund[4],
dyn[12], dry[12], luk[7], ulk[7], duc[6], unk[6], kur[6], lud[4], dun[3], und[3], dur[3], nur[3], run[3],
ny[11], ul[3], du[2], ud[2], nu[2], ur[2],
