efo[7], ref[7], for[7], orf[7], ego[5], erg[5], her[5], gro[5], ogr[5], hor[5], rho[5], ero[3],
ef[6], fe[6], eh[4], he[4], go[4], ho[4], oh[4], eo[2], er[2], re[2], or[2], ro[2],