-er bbb bbe bbf bbi bbl bbm bbr be- beb bee bef bei bel bem ber bfb bfe bff bfi bfl bfm bfr bi- bib bie bif bii bil bim bir blb ble blf bli bll blm blr bmb bme bmf bmi bml bmm bmr brb bre brf bri brl brm brr ebb ebe ebf ebi ebl ebm ebr eeb eee eef eel eem eer ef- efb efe eff efi efl efm efr eib eie eif eii eil eim eir elb ele elf eli ell elm elr em- emb eme emf emi eml emm emr erb ere erf eri erl erm err fbb fbe fbf fbi fbl fbm fbr feb fee fef fei fel fem fer ffe fff ffi ffl ffm ffr fib fie fif fii fil fim fir flb fle flf fli fll flm flr fmb fme fmf fmi fml fmm fmr frb fre frf fri frl frm frr i-f ibb ibe ibf ibi ibl ibm ibr ie- iee ief iei iel iem ier ifb ife iff ifi ifl ifm ifr iib iie iif iii iil iim iir il- ilb ile ilf ili ill ilm ilr im- imb ime imf imi iml imm ir- irb ire irf iri irl irm irr lbb lbe lbf lbi lbl lbm lbr leb lee lef lei lel lem ler lfb lfe lff lfi lfl lfm lfr lib lie lif lii lil lim lir llb lle llf lli lll llm llr lmb lme lmf lmi lml lmm lmr lrb lrf lri lrm lrr m-f m-r mbb mbe mbf mbi mbl mbm mbr meb mee mef mei mel mem mer mfb mfe mff mfi mfl mfm mfr mi- mib mie mif mii mil mim mir mlb mle mlf mli mll mlm mlr mmb mme mmf mmi mml mmm mmr mrb mre mrf mri mrl mrm mrr rbb rbe rbf rbi rbl rbm rbr re- reb ree ref rei rel rem rer rfb rfe rff rfi rfl rfm rfr rib rie rif rii ril rim rir rle rlf rli rll rlm rlr rmb rme rmf rmi rml rmm rmr rrb rrf rri rrl rrm rrr