gurk[8], krug[8], kurs[7], kuss[7], gurr[5], gnus[5], grus[5], guss[5], runs[4], surr[4], nuss[4], russ[4],
unk[6], kur[6], gnu[4], gur[4], nur[3], run[3], uns[3], rus[3], sur[3], urs[3],
nu[2], ur[2],
