-er ddd dde ddg ddi ddk ddl ddn ddr dds de- ded dee deg dei dek del den der des dgd dge dgg dgi dgk dgl dgn dgr dgs di- did die dig dii dik dil din dir dis dke dkg dki dkk dkl dkr dks dl- dld dle dlg dli dlk dll dlr dls dnd dne dng dni dnk dnl dnn dnr dns drd dre drg dri drk drl drn drr drs dsd dse dsg dsi dsk dsl dsn dsr dss ed- edd ede edg edi edk edl edn edr eds eed eee eeg eek eel een eer ees egd ege egg egi egl egn egr egs eid eie eig eii eik eil ein eir eis ekd eke ekg eki ekl ekr eks eld ele elg eli elk ell eln elr els en- end ene eng eni enk enl enn enr ens erd ere erg eri erk erl ern err ers es- esd ese esg esi esk esl esn esr ess g-d gdd gde gdi gdk gdl gdn gdr gds ge- ged gee geg gei gek gel gen ger ges ggd ggg ggi ggn ggr ggs gid gie gig gii gik gil gin gir gis gkd gkn gks gld gle glg gli glk gll gln glr gls gnd gne gni gnl gnn gnr gns grd gre grg gri grk grl grn grr grs gsd gse gsg gsi gsk gsl gsn gsr gss i-d idd ide idg idi idk idl idn idr ids ie- ied iee ieg iei iek iel ien ier ies igd ige igg igi igk igl ign igr igs iid iie iii iil iin iir iis ike iki ikk ikl ikr iks il- ild ile ilg ili ilk ill iln ilr ils in- ind ine ing ini ink inl inn inr ins ir- ird ire irg iri irk irl irn irr irs is- isd ise isg isi isk isl isn isr iss kde kdg kdk kdl kdr kds ke- ked kee keg kei kek kel ken ker kes kgd kgi kgl kgs kid kie kig kii kik kil kin kir kis kke kki kkk kkl kkn kkr kks kl- kld klg kli klr kls kn- knd kne kng kni knk knl knn knr krd krg kri krk krl krn krr krs ksd kse ksg ksi ksk ksl ksn ksr kss ldd lde ldg ldi ldk ldl ldn ldr lds led lee leg lei lek lel len ler les lgd lge lgg lgi lgk lgl lgn lgr lgs lid lie lig lii lik lil lin lir lis lkg lkl lkr lks lld lle llg lli llk lll lln llr lls lnd lne lng lni lnk lnl lnn lnr lns lrd lrg lri lrk lrn lrr lrs lsd lse lsg lsi lsk lsl lsn lsr lss n-i ndd nde ndg ndi ndk ndl ndn ndr nds ne- ned nee neg nei nek nel nen ner nes ngd nge ngg ngi ngk ngl ngn ngs nid nie nig nii nik nil nin nir nis nke nki nkk nkn nkr nks nld nle nlg nli nlk nll nln nlr nls nne nng nni nnk nnl nnn nns nrd nre nrg nri nrk nrl nrn nrr nrs nsd nse nsg nsi nsk nsl nsn nsr nss rdd rde rdg rdi rdl rdn rdr rds re- red ree reg rei rek rel ren rer res rgd rge rgg rgi rgk rgn rgr rgs rid rie rig rii rik ril rin rir ris rke rkg rkk rks rld rle rlg rli rll rln rlr rls rnd rng rni rnn rnr rns rrd rrg rri rrk rrl rrn rrr rrs rsd rse rsg rsi rsk rsl rsn rsr rss sdd sde sdg sdi sdk sdl sdn sdr sds se- sed see seg sei sek sel sen ser ses sgd sge sgg sgi sgk sgl sgn sgr sgs sid sie sig sii sik sil sin sir sis sk- skd ske skg ski skk skl skr sks sld sle slg sli slk sll sln slr sls snd sne sng sni snk snl snn snr sns sr- srd sre srg sri srk srl srn srr srs ss- ssd sse ssg ssi ssk ssl ssn ssr sss