-er -ol bbb bbe bbf bbi bbl bbm bbo bbr be- beb bee bef bei bel bem beo ber bfb bfe bff bfi bfl bfm bfo bfr bi- bib bie bif bii bil bim bio bir blb ble blf bli bll blm blo blr bmb bme bmf bmi bml bmm bmo bmr bob boe bof boi bol bom boo bor brb bre brf bri brl brm bro brr ebb ebe ebf ebi ebl ebm ebo ebr eeb eee eef eel eem eeo eer ef- efb efe eff efi efl efm efo efr eib eie eif eii eil eim eio eir elb ele elf eli ell elm elo elr em- emb eme emf emi eml emm emo emr eo- eob eoe eof eoi eol eom eoo eor erb ere erf eri erl erm ero err fbb fbe fbf fbi fbl fbm fbo fbr feb fee fef fei fel fem feo fer ffe fff ffi ffl ffm ffo ffr fib fie fif fii fil fim fir flb fle flf fli fll flm flo flr fmb fme fmf fmi fml fmm fmo fmr fob foe fof foi fol fom foo for frb fre frf fri frl frm fro frr i-f ibb ibe ibf ibi ibl ibm ibo ibr ie- iee ief iei iel iem ier ifb ife iff ifi ifl ifm ifo ifr iib iie iif iii iil iim iio iir il- ilb ile ilf ili ill ilm ilo ilr im- imb ime imf imi iml imm imo io- iob ioe iof ioi iol iom ioo ior ir- irb ire irf iri irl irm iro irr lbb lbe lbf lbi lbl lbm lbo lbr leb lee lef lei lel lem leo ler lfb lfe lff lfi lfl lfm lfo lfr lib lie lif lii lil lim lio lir llb lle llf lli lll llm llo llr lmb lme lmf lmi lml lmm lmo lmr lob loe lof loi lol lom loo lor lrb lrf lri lrm lro lrr m-f m-o m-r mbb mbe mbf mbi mbl mbm mbo mbr meb mee mef mei mel mem meo mer mfb mfe mff mfi mfl mfm mfo mfr mi- mib mie mif mii mil mim mio mir mlb mle mlf mli mll mlm mlo mlr mmb mme mmf mmi mml mmm mmo mmr mob moe mof moi mol mom moo mor mrb mre mrf mri mrl mrm mro mrr o-i ob- obb obe obf obi obl obm obo obr oeb oee oef oei oel oem oeo oer of- ofb ofe off ofi ofl ofm ofo ofr oib oie oif oii oil oim oio oir olb ole olf oli oll olm olo om- omb ome omf omi oml omm omo omr oo- oob oof ooi ool oom ooo oor or- orb ore orf ori orl orm oro orr rbb rbe rbf rbi rbl rbm rbo rbr re- reb ree ref rei rel rem reo rer rfb rfe rff rfi rfl rfm rfo rfr rib rie rif rii ril rim rio rir rle rlf rli rll rlm rlo rlr rmb rme rmf rmi rml rmm rmo rmr rob roe rof roi rol rom roo ror rrb rrf rri rrl rrm rrr