bbb bbe bbf bbi bbl bbm be- beb bee bef bei bel bem bfb bfe bff bfi bfl bfm bi- bib bie bif bii bil bim blb ble blf bli bll blm bmb bme bmf bmi bml bmm ebb ebe ebf ebi ebl ebm eeb eee eef eel eem ef- efb efe eff efi efl efm eib eie eif eii eil eim elb ele elf eli ell elm em- emb eme emf emi eml emm fbb fbe fbf fbi fbl fbm feb fee fef fei fel fem ffe fff ffi ffl ffm fib fie fif fii fil fim flb fle flf fli fll flm fmb fme fmf fmi fml fmm i-f ibb ibe ibf ibi ibl ibm ie- iee ief iei iel iem ifb ife iff ifi ifl ifm iib iie iif iii iil iim il- ilb ile ilf ili ill ilm im- imb ime imf imi iml imm lbb lbe lbf lbi lbl lbm leb lee lef lei lel lem lfb lfe lff lfi lfl lfm lib lie lif lii lil lim llb lle llf lli lll llm lmb lme lmf lmi lml lmm m-f mbb mbe mbf mbi mbl mbm meb mee mef mei mel mem mfb mfe mff mfi mfl mfm mi- mib mie mif mii mil mim mlb mle mlf mli mll mlm mmb mme mmf mmi mml mmm