-er -ol ddd dde ddf ddi ddk ddl ddm ddo ddr de- ded dee def dei dek del dem deo der dfd dfe dff dfi dfk dfl dfm dfo dfr di- did die dif dii dik dil dim dio dir dke dki dkk dkl dkm dko dkr dl- dld dle dlf dli dlk dll dlm dlo dlr dmd dme dmf dmi dmk dml dmm dmo dmr dod doe dof doi dok dol dom doo dor drd dre dri drk drl drm dro drr ed- edd ede edf edi edk edl edm edo edr eed eee eef eek eel eem eeo eer ef- efd efe eff efi efl efm efo efr eid eie eif eii eik eil eim eio eir ekd eke ekf eki ekl eko ekr eld ele elf eli elk ell elm elo elr em- emd eme emf emi emk eml emm emo emr eo- eod eoe eof eoi eok eol eom eoo eor erd ere erf eri erk erl erm ero err fdd fde fdf fdi fdk fdl fdm fdo fdr fed fee fef fei fek fel fem feo fer ffd ffe fff ffi ffk ffl ffm ffo ffr fid fie fif fii fik fil fim fir fkf fki fkk fkl fkm fld fle flf fli fll flm flo flr fmd fme fmf fmi fml fmm fmo fmr foe fof foi fok fol fom foo for frd fre frf fri frk frl frm fro frr i-d i-f idd ide idf idi idk idl idm ido idr ie- ied iee ief iei iek iel iem ier ifd ife iff ifi ifl ifm ifo ifr iid iie iif iii iil iim iio iir ike ikf iki ikk ikl iko ikr il- ild ile ilf ili ilk ill ilm ilo ilr im- imd ime imf imi iml imm imo io- iod ioe iof ioi iol iom ioo ior ir- ird ire irf iri irk irl irm iro irr kde kdf kdk kdl kdm kdo kdr ke- ked kee kef kei kek kel kem keo ker kfd kff kfi kfm kfo kid kie kif kii kik kil kim kio kir kke kki kkk kkl kkm kkr kl- kld klf kli klm klo klr kmd kme kmf kmi kmk kml kmm kmo kod koe kof koi kok kol kom koo kor krd krf kri krk krl kro krr ldd lde ldf ldi ldk ldl ldm ldo ldr led lee lef lei lek lel lem leo ler lfd lfe lff lfi lfk lfl lfm lfo lfr lid lie lif lii lik lil lim lio lir lkl lkr lld lle llf lli llk lll llm llo llr lmd lme lmf lmi lmk lml lmm lmo lmr lod loe lof loi lok lol lom loo lor lrd lrf lri lrk lrm lro lrr m-f m-o m-r mdd mde mdf mdi mdk mdl mdm mdo mdr med mee mef mei mek mel mem meo mer mfd mfe mff mfi mfl mfm mfo mfr mi- mid mie mif mii mik mil mim mio mir mkd mke mkk mkl mkm mko mkr mld mle mlf mli mlk mll mlm mlo mlr mmd mme mmf mmi mmk mml mmm mmo mmr mod moe mof moi mok mol mom moo mor mrd mre mrf mri mrk mrl mrm mro mrr o-i odd ode odf odi odl odm odo odr oed oee oef oei oel oem oeo oer of- ofd ofe off ofi ofl ofm ofo ofr oid oie oif oii oik oil oim oio oir okd oke oki okk okl oko okr old ole olf oli olk oll olm olo om- omd ome omf omi oml omm omo omr oo- ood oof ooi ook ool oom ooo oor or- ord ore orf ori ork orl orm oro orr rdd rde rdf rdi rdl rdm rdo rdr re- red ree ref rei rek rel rem reo rer rfd rfe rff rfi rfk rfl rfm rfo rfr rid rie rif rii rik ril rim rio rir rke rkf rkk rkm rko rld rle rlf rli rll rlm rlo rlr rmd rme rmf rmi rml rmm rmo rmr rod roe rof roi rok rol rom roo ror rrd rrf rri rrk rrl rrm rrr