gort[6], trog[6], dort[5], gurt[5], trug[5], tour[5],
gor[5], rod[4], tod[4], ort[4], rot[4], tor[4], duo[4], gur[4], gut[4], out[4], dur[3],
go[4], do[3], od[3], du[2], ud[2], ur[2], tu[2],
