efom[9], home[7], homo[7], ezom[5], ozem[5], ozom[5], zoom[5],
efo[7], fez[7], hem[6], mho[6], ohm[6], oho[5], omo[4], ezo[3], zoo[3],
ef[6], fe[6], hm[5], eh[4], he[4], ho[4], oh[4], em[3], me[3], om[3], eo[2], ez[2], ze[2], oz[2],