-er ddd dde ddf ddi ddk ddl ddn ddr de- ded dee def dei dek del den der dfd dfe dff dfi dfk dfl dfn dfr di- did die dif dii dik dil din dir dke dki dkk dkl dkr dl- dld dle dlf dli dlk dll dlr dnd dne dnf dni dnk dnl dnn dnr drd dre dri drk drl drn drr ed- edd ede edf edi edk edl edn edr eed eee eef eek eel een eer ef- efd efe eff efi efl efr eid eie eif eii eik eil ein eir ekd eke ekf eki ekl ekr eld ele elf eli elk ell eln elr en- end ene enf eni enk enl enn enr erd ere erf eri erk erl ern err fdd fde fdf fdi fdk fdl fdn fdr fed fee fef fei fek fel fen fer ffd ffe fff ffi ffk ffl ffn ffr fid fie fif fii fik fil fin fir fkf fki fkk fkl fld fle flf fli fll fln flr fnd fne fnf fni fnk fnl fnn fnr frd fre frf fri frk frl frn frr i-d i-f idd ide idf idi idk idl idn idr ie- ied iee ief iei iek iel ien ier ifd ife iff ifi ifl ifn ifr iid iie iif iii iil iin iir ike ikf iki ikk ikl ikr il- ild ile ilf ili ilk ill iln ilr in- ind ine inf ini ink inl inn inr ir- ird ire irf iri irk irl irn irr kde kdf kdk kdl kdr ke- ked kee kef kei kek kel ken ker kfd kff kfi kid kie kif kii kik kil kin kir kke kki kkk kkl kkn kkr kl- kld klf kli klr kn- knd kne knf kni knk knl knn knr krd krf kri krk krl krn krr ldd lde ldf ldi ldk ldl ldn ldr led lee lef lei lek lel len ler lfd lfe lff lfi lfk lfl lfn lfr lid lie lif lii lik lil lin lir lkl lkr lld lle llf lli llk lll lln llr lnd lne lni lnk lnl lnn lnr lrd lrf lri lrk lrn lrr n-i ndd nde ndf ndi ndk ndl ndn ndr ne- ned nee nef nei nek nel nen ner nfd nfe nff nfi nfk nfl nfn nfr nid nie nif nii nik nil nin nir nke nkf nki nkk nkn nkr nld nle nlf nli nlk nll nln nlr nne nnf nni nnk nnl nnn nrd nre nrf nri nrk nrl nrn nrr rdd rde rdf rdi rdl rdn rdr re- red ree ref rei rek rel ren rer rfd rfe rff rfi rfk rfl rfn rfr rid rie rif rii rik ril rin rir rke rkf rkk rld rle rlf rli rll rln rlr rnd rni rnn rnr rrd rrf rri rrk rrl rrn rrr