bebe[8], nieb[6], pnie[5],
bib[7], bee[5], ben[5], bin[5], ibn[5], pip[5], pie[4], nep[4], pen[4], nip[4], pin[4], pni[4], nie[3],
be[4], bi[4], pe[3], pi[3], ee[2], en[2], in[2], ni[2],
