sprung[10],
gruss[6],
spur[7], gnus[5], grus[5], guss[5], runs[4], nuss[4], russ[4],
pur[6], ups[6], gnu[4], gur[4], nun[3], nur[3], run[3], uns[3], rus[3], sur[3], urs[3],
nu[2], ur[2],
