druck[11], umlud[8],
muck[12], duck[10], kulm[10], ruck[10], krud[7], kudu[7], drum[6], urdu[4],
luk[7], ulk[7], duc[6], ulm[6], kur[6], mud[5], mur[5], rum[5], lud[4], dur[3],
um[4], ul[3], du[2], ud[2], ur[2],
