bbb bbe bbf bbi bbm bbn be- beb bee bef bei bem ben bfb bfe bff bfi bfm bfn bi- bib bie bif bii bim bin bmb bme bmf bmi bmm bmn bnb bne bnf bni bnn ebb ebe ebf ebi ebm ebn eeb eee eef eem een ef- efb efe eff efi efm eib eie eif eii eim ein em- emb eme emf emi emm emn en- enb ene enf eni enm enn fbb fbe fbf fbi fbm fbn feb fee fef fei fem fen ffe fff ffi ffm ffn fib fie fif fii fim fin fmb fme fmf fmi fmm fmn fnb fne fnf fni fnm fnn i-f ibb ibe ibf ibi ibm ibn ie- iee ief iei iem ien ifb ife iff ifi ifm ifn iib iie iif iii iim iin im- imb ime imf imi imm imn in- inb ine inf ini inm inn m-f mbb mbe mbf mbi mbm meb mee mef mei mem men mfb mfe mff mfi mfm mfn mi- mib mie mif mii mim min mmb mme mmf mmi mmm mmn mnb mne mnf mni mnm mnn n-i nbb nbe nbf nbi nbm nbn ne- neb nee nef nei nem nen nfb nfe nff nfi nfn nib nie nif nii nim nin nmb nme nmi nmm nmn nnb nne nnf nni nnm nnn