gur[7], rug[7], ago[5], ego[5], gar[5], gra[5], rag[5], erg[5], gro[5], ogr[5], aur[5], oru[5], era[3], rea[3], aro[3], ora[3], ero[3],
gu[6], ag[4], go[4], au[4], eo[2], ar[2], er[2], re[2], or[2], ro[2],