biper[8], brnie[7], nipie[6], pieni[6], pinie[6],
nieb[6], brei[6], brie[6], pnie[5], peri[5], nerp[5], inie[4],
ben[5], bin[5], ibn[5], ber[5], erb[5], reb[5], pie[4], nep[4], pen[4], nip[4], pin[4], pni[4], per[4], rep[4], nie[3], rei[3], ner[3], ren[3], inr[3],
be[4], bi[4], pe[3], pi[3], ii[2], en[2], in[2], ni[2], er[2], re[2],
