efo[7], fez[7], oho[5], deo[4], ode[4], odo[4], doz[4], ezo[3], zoo[3],
ef[6], fe[6], eh[4], he[4], ho[4], oh[4], de[3], do[3], od[3], eo[2], ez[2], ze[2], oz[2],
