-er -ol ddd dde ddg ddi ddk ddl ddo ddr de- ded dee deg dei dek del deo der dgd dge dgg dgi dgk dgl dgr di- did die dig dii dik dil dio dir dke dkg dki dkk dkl dko dkr dl- dld dle dlg dli dlk dll dlo dlr dod doe dog doi dok dol doo dor drd dre drg dri drk drl dro drr ed- edd ede edg edi edk edl edo edr eed eee eeg eek eel eeo eer egd ege egg egi egl ego egr eid eie eig eii eik eil eio eir ekd eke ekg eki ekl eko ekr eld ele elg eli elk ell elo elr eo- eod eoe eog eoi eok eol eoo eor erd ere erg eri erk erl ero err g-d gdd gde gdi gdk gdl gdo gdr ge- ged gee geg gei gek gel geo ger ggd ggg ggi ggo ggr gid gie gig gii gik gil gio gir gkd gko gld gle glg gli glk gll glo glr god goe gog goi gok gol goo gor grd gre grg gri grk grl gro grr i-d idd ide idg idi idk idl ido idr ie- ied iee ieg iei iek iel ier igd ige igg igi igk igl igo igr iid iie iii iil iio iir ike iki ikk ikl iko ikr il- ild ile ilg ili ilk ill ilo ilr io- iod ioe iog ioi iol ioo ior ir- ird ire irg iri irk irl iro irr kde kdg kdk kdl kdo kdr ke- ked kee keg kei kek kel keo ker kgd kgi kgl kgo kid kie kig kii kik kil kio kir kke kki kkk kkl kkr kl- kld klg kli klo klr kod koe kog koi kok kol koo kor krd krg kri krk krl kro krr ldd lde ldg ldi ldk ldl ldo ldr led lee leg lei lek lel leo ler lgd lge lgg lgi lgk lgl lgo lgr lid lie lig lii lik lil lio lir lkg lkl lkr lld lle llg lli llk lll llo llr lod loe log loi lok lol loo lor lrd lrg lri lrk lro lrr o-i odd ode odg odi odl odo odr oed oee oeg oei oel oeo oer ogd oge ogg ogi ogl ogo oid oie oii oik oil oio oir okd oke okg oki okk okl oko okr old ole olg oli olk oll olo oo- ood oog ooi ook ool ooo oor or- ord ore org ori ork orl oro orr rdd rde rdg rdi rdl rdo rdr re- red ree reg rei rek rel reo rer rgd rge rgg rgi rgk rgo rgr rid rie rig rii rik ril rio rir rke rkg rkk rko rld rle rlg rli rll rlo rlr rod roe rog roi rok rol roo ror rrd rrg rri rrk rrl rrr