tond[6], tort[6], dorn[5], nord[5], rond[5], ront[5], tron[5],
cod[5], doc[5], noc[4], dno[4], don[4], odr[4], ord[4], rod[4], not[4], ton[4], ort[4], rot[4], tor[4], nor[3],
co[3], do[3], od[3], ot[3], to[3], no[2], on[2], or[2], ro[2],
