donn[5], dorn[5], nord[5], rond[5], down[5], norn[4], wron[4],
cod[5], doc[5], noc[4], dno[4], don[4], odr[4], ord[4], rod[4], non[3], nor[3], won[3], rwo[3],
co[3], do[3], od[3], no[2], on[2], or[2], ro[2],
