koge[9], kore[8], oper[8], pore[8], ergo[6], oger[6],
kog[8], epo[7], kor[7], pro[7], per[6], rep[6], ego[5], geo[5], gor[5], erg[4], ger[4], reg[4],
po[6], go[4], er[2], re[2],