kooge[11], erkor[9], erker[8], roger[7], erreg[6], reger[6],
koog[10], koge[9], kore[8], ergo[6], oger[6], gere[5], rege[5],
kog[8], kor[7], ego[5], geo[5], gor[5], erg[4], ger[4], reg[4], ree[3],
go[4], er[2], re[2],
