efedr[10], berze[7], zereb[7], derze[6], rezed[6],
efeb[10], febr[10], fere[8], free[8], frez[8], berd[7], debr[7], zdeb[7], rebe[6], beze[6], brze[6], zebr[6], drze[5], rdze[5], erze[4],
fee[7], ref[7], fez[7], bee[5], ber[5], erb[5], reb[5], bez[5], der[4], red[4], zer[3],
ef[6], fe[6], be[4], de[3], ee[2], er[2], re[2], ez[2], ze[2],
