node[5], dren[5], nerd[5], dero[5], redo[5], dorn[5], nord[5], rond[5], nero[4], orne[4],
den[4], end[4], deo[4], ode[4], dno[4], don[4], der[4], red[4], odr[4], ord[4], rod[4], eon[3], one[3], ner[3], ren[3], ero[3], nor[3],
de[3], do[3], od[3], en[2], eo[2], no[2], on[2], er[2], re[2], or[2], ro[2],
