cong[7], dong[7], gron[6], dorn[5], nord[5], rond[5], down[5], wron[4],
dog[6], cod[5], doc[5], gon[5], gro[5], ogr[5], noc[4], dno[4], don[4], odr[4], ord[4], rod[4], drr[4], nor[3], won[3], rwo[3], wrr[3],
go[4], co[3], do[3], od[3], no[2], on[2], or[2], ro[2],
