spur[7], pust[7], sput[7], grus[5], gurt[5], trug[5], guts[5], stur[4], surt[4], urst[4],
pst[6], pur[6], ups[6], gur[4], gut[4], rus[3], sur[3], urs[3],
st[2], ur[2], tu[2],