bero[6], ober[6], bron[6], bose[6], snob[6], bers[6], nero[4], orne[4], eros[4],
ben[5], bon[5], ber[5], erb[5], reb[5], bor[5], rob[5], eon[3], one[3], ner[3], ren[3], ero[3], nor[3], sen[3], nos[3], son[3], ser[3], ros[3],
be[4], bo[4], en[2], eo[2], no[2], on[2], er[2], re[2], or[2], ro[2], es[2], se[2], os[2],
