-ji bbb bbe bbi bbk bbl bbn be- beb bee bei bek bel ben bi- bib bie bii bij bik bil bin bji bjj bjk bjn bkb bke bkk bkl bkn blb ble bli blj blk bll bln bnb bne bni bnj bnk bnl bnn ebb ebe ebi ebj ebk ebl ebn eeb eee eek eel een eib eie eii eij eik eil ein eji ejl ekb eke eki ekl elb ele eli elk ell eln en- enb ene eni enk enl enn ibb ibe ibi ibj ibk ibl ibn ie- iee iei iej iek iel ien iib iie iii iij iil iin ijb ije iji ijk ijl ijn ikb ike iki ikk ikl il- ilb ile ili ilk ill iln in- inb ine ini inj ink inl inn j-i jbi jbj jbk jbl jeb jee jei jej jek jel jen jib jie jii jij jil jin jjb jjj jjk jjl jkb jkk jkl jkn jlb jle jli jll jln jne jnj jnl jnn kbb kbe kbi kbk kbl kbn ke- keb kee kei kek kel ken kib kie kii kij kik kil kin kjb kje kji kkb kke kki kkk kkl kkn kl- klb kli kn- kne kni knk knl knn lbb lbe lbi lbj lbk lbl leb lee lei lej lek lel len lib lie lii lij lik lil lin lje ljj ljn lkb lkl llb lle lli llj llk lll lln lnb lne lni lnk lnl lnn n-i nbb nbe nbi nbk nbl nbn ne- neb nee nei nej nek nel nen nib nie nii nik nil nin nje njk njl njn nke nki nkj nkk nkn nlb nle nli nlj nlk nll nln nnb nne nni nnk nnl nnn