greko[8],
geek[7], kego[7], kogo[7], grek[7], ergo[6], gore[6], oger[6], erek[5], erko[5], kore[5], orek[5], koro[5], okro[5], orko[5], oere[4], oreo[4],
keg[6], kog[6], ego[5], erg[5], gro[5], ogr[5], eko[4], oko[4], ker[4], rek[4], kor[4], kro[4], okr[4], ork[4], rok[4], ero[3], oro[3],
go[4], ko[3], ok[3], ee[2], eo[2], er[2], re[2], or[2], ro[2],
