guck[11], huck[11], duck[10], ruck[10], ruch[8], gurk[8], krug[8], krud[7],
kuh[7], duc[6], kur[6], gur[4], hur[4], ruh[4], uhr[4], dur[3],
hu[3], uh[3], du[2], ud[2], ur[2],
