dong[7], gont[7], tong[7], grot[7], gron[6], tond[6], donn[5], dorn[5], nord[5], rond[5], ront[5], tron[5], norn[4],
dog[6], tog[6], gon[5], gro[5], ogr[5], dno[4], don[4], odr[4], ord[4], rod[4], drr[4], not[4], ton[4], ort[4], rot[4], tor[4], non[3], nor[3],
go[4], do[3], od[3], ot[3], to[3], no[2], on[2], or[2], ro[2],
