-er -ol ddd dde ddi ddk ddl ddn ddo ddr de- ded dee dei dek del den deo der di- did die dii dik dil din dio dir dke dki dkk dkl dko dkr dl- dld dle dli dlk dll dlo dlr dnd dne dni dnk dnl dnn dno dnr dod doe doi dok dol don doo dor drd dre dri drk drl drn dro drr ed- edd ede edi edk edl edn edo edr eed eee eek eel een eeo eer eid eie eii eik eil ein eio eir ekd eke eki ekl eko ekr eld ele eli elk ell eln elo elr en- end ene eni enk enl enn eno enr eo- eod eoe eoi eok eol eon eoo eor erd ere eri erk erl ern ero err i-d idd ide idi idk idl idn ido idr ie- ied iee iei iek iel ien ier iid iie iii iil iin iio iir ike iki ikk ikl iko ikr il- ild ile ili ilk ill iln ilo ilr in- ind ine ini ink inl inn ino inr io- iod ioe ioi iol ion ioo ior ir- ird ire iri irk irl irn iro irr kde kdk kdl kdo kdr ke- ked kee kei kek kel ken keo ker kid kie kii kik kil kin kio kir kke kki kkk kkl kkn kkr kl- kld kli klo klr kn- knd kne kni knk knl knn kno knr kod koe koi kok kol kon koo kor krd kri krk krl krn kro krr ldd lde ldi ldk ldl ldn ldo ldr led lee lei lek lel len leo ler lid lie lii lik lil lin lio lir lkl lkr lld lle lli llk lll lln llo llr lnd lne lni lnk lnl lnn lno lnr lod loe loi lok lol lon loo lor lrd lri lrk lrn lro lrr n-i ndd nde ndi ndk ndl ndn ndo ndr ne- ned nee nei nek nel nen neo ner nid nie nii nik nil nin nio nir nke nki nkk nkn nko nkr nld nle nli nlk nll nln nlo nlr nne nni nnk nnl nnn nno no- nod noe noi nok nol non noo nor nrd nre nri nrk nrl nrn nro nrr o-i odd ode odi odl odn odo odr oed oee oei oel oen oeo oer oid oie oii oik oil oin oio oir okd oke oki okk okl oko okr old ole oli olk oll oln olo on- ond one oni onk onl onn ono onr oo- ood ooi ook ool oon ooo oor or- ord ore ori ork orl orn oro orr rdd rde rdi rdl rdn rdo rdr re- red ree rei rek rel ren reo rer rid rie rii rik ril rin rio rir rke rkk rko rld rle rli rll rln rlo rlr rnd rni rnn rno rnr rod roe roi rok rol ron roo ror rrd rri rrk rrl rrn rrr