efeb[10], febr[10], fere[8], free[8], sfer[8], rebe[6], bers[6], bess[6], pers[5], seps[5], eser[4], eses[4], sers[4],
pfe[8], fee[7], ref[7], fes[7], bee[5], ber[5], erb[5], reb[5], per[4], rep[4], sep[4], pss[4], ser[3],
ef[6], fe[6], be[4], pe[3], ee[2], er[2], re[2], es[2], se[2],
