exogen[15],
expo[15], noxe[12], exen[11], peng[8], epen[7], gone[6], enge[5], gene[5],
exe[10], epo[7], ego[5], geo[5], gon[5], eng[4], gen[4], nee[3],
ex[9], po[6], go[4], on[3], ne[2],
