-er -ol ddd dde ddk ddl ddn ddo ddr de- ded dee dek del den deo der dke dkk dkl dko dkr dl- dld dle dlk dll dlo dlr dnd dne dnk dnl dnn dno dnr dod doe dok dol don doo dor drd dre drk drl drn dro drr ed- edd ede edk edl edn edo edr eed eee eek eel een eeo eer ekd eke ekl eko ekr eld ele elk ell eln elo elr en- end ene enk enl enn eno enr eo- eod eoe eok eol eon eoo eor erd ere erk erl ern ero err kde kdk kdl kdo kdr ke- ked kee kek kel ken keo ker kke kkk kkl kkn kkr kl- kld klo klr kn- knd kne knk knl knn kno knr kod koe kok kol kon koo kor krd krk krl krn kro krr ldd lde ldk ldl ldn ldo ldr led lee lek lel len leo ler lkl lkr lld lle llk lll lln llo llr lnd lne lnk lnl lnn lno lnr lod loe lok lol lon loo lor lrd lrk lrn lro lrr ndd nde ndk ndl ndn ndo ndr ne- ned nee nek nel nen neo ner nke nkk nkn nko nkr nld nle nlk nll nln nlo nlr nne nnk nnl nnn nno no- nod noe nok nol non noo nor nrd nre nrk nrl nrn nro nrr odd ode odl odn odo odr oed oee oel oen oeo oer okd oke okk okl oko okr old ole olk oll oln olo on- ond one onk onl onn ono onr oo- ood ook ool oon ooo oor or- ord ore ork orl orn oro orr rdd rde rdl rdn rdo rdr re- red ree rek rel ren reo rer rke rkk rko rld rle rll rln rlo rlr rnd rnn rno rnr rod roe rok rol ron roo ror rrd rrk rrl rrn rrr