efo[7], fes[7], fos[7], sof[7], fez[7], oho[5], hes[5], oso[3], ezo[3], zoo[3],
ef[6], fe[6], eh[4], he[4], ho[4], oh[4], eo[2], es[2], se[2], os[2], ez[2], ze[2], oz[2],