geck[11], rock[11], reck[10], koge[9], core[8], kore[8], ergo[6], oger[6],
eck[9], kog[8], kor[7], cer[6], ego[5], geo[5], gor[5], erg[4], ger[4], reg[4],
go[4], er[2], re[2],
