-er -ic c-- ccc ccd cce ccg cci cck ccl ccn ccr ccs cdc cdd cde cdg cdi cdk cdl cdn cdr cds ce- cec ced cee ceg cei cek cel cen cer ces cgc cgd cge cgg cgi cgl cgn cgr cgs ci- cic cid cie cig cii cik cil cin cir cis ckc ckd cki cks cl- clc cld cle clg cli clk cll cln clr cls cn- cnc cnd cne cng cni cnl cnn cnr cns crc crd cre crg cri crk crl crn crr crs csc csd cse csg csi csk csl csn csr css dcc dcd dce dcg dci dck dcl dcn dcr dcs ddc ddd dde ddg ddi ddk ddl ddn ddr dds de- dec ded dee deg dei dek del den der des dgc dgd dge dgg dgi dgk dgl dgn dgr dgs di- dic did die dig dii dik dil din dir dis dkc dke dkg dki dkk dkl dkr dks dl- dlc dld dle dlg dli dlk dll dlr dls dnc dnd dne dng dni dnk dnl dnn dnr dns drc drd dre drg dri drk drl drn drr drs dsc dsd dse dsg dsi dsk dsl dsn dsr dss ec- ecc ecd ece ecg eci eck ecl ecn ecr ecs ed- edc edd ede edg edi edk edl edn edr eds eec eed eee eeg eek eel een eer ees egc egd ege egg egi egl egn egr egs eic eid eie eig eii eik eil ein eir eis ekc ekd eke ekg eki ekl ekr eks elc eld ele elg eli elk ell eln elr els en- enc end ene eng eni enk enl enn enr ens erc erd ere erg eri erk erl ern err ers es- esc esd ese esg esi esk esl esn esr ess g-d gcc gcd gce gcg gci gck gcl gcn gcr gcs gdc gdd gde gdi gdk gdl gdn gdr gds ge- gec ged gee geg gei gek gel gen ger ges ggc ggd ggg ggi ggn ggr ggs gic gid gie gig gii gik gil gin gir gis gkd gkn gks glc gld gle glg gli glk gll gln glr gls gnc gnd gne gni gnl gnn gnr gns grc grd gre grg gri grk grl grn grr grs gsc gsd gse gsg gsi gsk gsl gsn gsr gss i-d icc icd ice icg ici ick icl icn icr ics idc idd ide idg idi idk idl idn idr ids ie- iec ied iee ieg iei iek iel ien ier ies igc igd ige igg igi igk igl ign igr igs iic iid iie iii iil iin iir iis ikc ike iki ikk ikl ikr iks il- ilc ild ile ilg ili ilk ill iln ilr ils in- inc ind ine ing ini ink inl inn inr ins ir- irc ird ire irg iri irk irl irn irr irs is- isc isd ise isg isi isk isl isn isr iss kcc kcd kce kcg kci kck kcl kcn kcr kcs kdc kde kdg kdk kdl kdr kds ke- kec ked kee keg kei kek kel ken ker kes kgc kgd kgi kgl kgs kic kid kie kig kii kik kil kin kir kis kkc kke kki kkk kkl kkn kkr kks kl- klc kld klg kli klr kls kn- knc knd kne kng kni knk knl knn knr krc krd krg kri krk krl krn krr krs ksc ksd kse ksg ksi ksk ksl ksn ksr kss lcc lcd lce lcg lci lck lcl lcn lcr lcs ldc ldd lde ldg ldi ldk ldl ldn ldr lds lec led lee leg lei lek lel len ler les lgc lgd lge lgg lgi lgk lgl lgn lgr lgs lic lid lie lig lii lik lil lin lir lis lkg lkl lkr lks llc lld lle llg lli llk lll lln llr lls lnc lnd lne lng lni lnk lnl lnn lnr lns lrc lrd lrg lri lrk lrn lrr lrs lsc lsd lse lsg lsi lsk lsl lsn lsr lss n-i ncc ncd nce ncg nci nck ncl ncn ncr ncs ndc ndd nde ndg ndi ndk ndl ndn ndr nds ne- nec ned nee neg nei nek nel nen ner nes ngc ngd nge ngg ngi ngk ngl ngn ngs nic nid nie nig nii nik nil nin nir nis nkc nke nki nkk nkn nkr nks nlc nld nle nlg nli nlk nll nln nlr nls nnc nne nng nni nnk nnl nnn nns nrc nrd nre nrg nri nrk nrl nrn nrr nrs nsc nsd nse nsg nsi nsk nsl nsn nsr nss rcc rcd rce rcg rci rcl rcn rcr rcs rdc rdd rde rdg rdi rdl rdn rdr rds re- rec red ree reg rei rek rel ren rer res rgc rgd rge rgg rgi rgk rgn rgr rgs ric rid rie rig rii rik ril rin rir ris rkc rke rkg rkk rks rlc rld rle rlg rli rll rln rlr rls rnc rnd rng rni rnn rnr rns rrc rrd rrg rri rrk rrl rrn rrr rrs rsc rsd rse rsg rsi rsk rsl rsn rsr rss scc scd sce scg sci sck scl scn scr scs sdc sdd sde sdg sdi sdk sdl sdn sdr sds se- sec sed see seg sei sek sel sen ser ses sgc sgd sge sgg sgi sgk sgl sgn sgr sgs sic sid sie sig sii sik sil sin sir sis sk- skc skd ske skg ski skk skl skr sks slc sld sle slg sli slk sll sln slr sls snc snd sne sng sni snk snl snn snr sns sr- src srd sre srg sri srk srl srn srr srs ss- ssc ssd sse ssg ssi ssk ssl ssn ssr sss