grece[8],
ergo[6], gore[6], oger[6], erce[5], cero[5], orce[5], oere[4],
ego[5], erg[5], gro[5], ogr[5], cer[4], ero[3],
go[4], ce[3], co[3], ee[2], eo[2], er[2], re[2], or[2], ro[2],
