hep[6], hip[6], phi[6], ben[5], hen[5], bin[5], ibn[5], pie[4], nep[4], pen[4], nip[4], pin[4], pni[4], nie[3],
be[4], eh[4], he[4], bi[4], hi[4], pe[3], pi[3], en[2], in[2], ni[2],
