ceber[8], nerce[6], nesce[6], nesec[6], ceres[6], reces[6], serce[6],
bece[7], rebe[6], bers[6], erce[5], esce[5], scen[5], serc[5], eser[4],
bee[5], ben[5], ber[5], erb[5], reb[5], cen[4], cne[4], cer[4], ces[4], ner[3], ren[3], sen[3], ser[3],
be[4], ce[3], ee[2], en[2], er[2], re[2], es[2], se[2],