-er -ic c-- ccc ccd cce ccf cci cck ccr ccs cdc cdd cde cdf cdi cdk cdr cds ce- cec ced cee cef cei cek cer ces cfc cfd cfe cff cfi cfk cfr cfs ci- cic cid cie cif cii cik cir cis ckc ckd cki cks crc crd cre crf cri crk crr crs csc csd cse csf csi csk csr css dcc dcd dce dcf dci dck dcr dcs ddc ddd dde ddf ddi ddk ddr dds de- dec ded dee def dei dek der des dfc dfd dfe dff dfi dfk dfr dfs di- dic did die dif dii dik dir dis dkc dke dki dkk dkr dks drc drd dre dri drk drr drs dsc dsd dse dsf dsi dsk dsr dss ec- ecc ecd ece ecf eci eck ecr ecs ed- edc edd ede edf edi edk edr eds eec eed eee eef eek eer ees ef- efc efd efe eff efi efr efs eic eid eie eif eii eik eir eis ekc ekd eke ekf eki ekr eks erc erd ere erf eri erk err ers es- esc esd ese esf esi esk esr ess fcc fcd fce fcf fci fck fcr fcs fdc fdd fde fdf fdi fdk fdr fds fec fed fee fef fei fek fer fes ffc ffd ffe fff ffi ffk ffr ffs fic fid fie fif fii fik fir fis fkc fkf fki fkk frc frd fre frf fri frk frr frs fsc fsd fse fsf fsi fsk fsr fss i-d i-f icc icd ice icf ici ick icr ics idc idd ide idf idi idk idr ids ie- iec ied iee ief iei iek ier ies ifc ifd ife iff ifi ifr ifs iic iid iie iif iii iir iis ikc ike ikf iki ikk ikr iks ir- irc ird ire irf iri irk irr irs is- isc isd ise isf isi isk isr iss kcc kcd kce kci kck kcr kcs kdc kde kdf kdk kdr kds ke- kec ked kee kef kei kek ker kes kfc kfd kff kfi kfs kic kid kie kif kii kik kir kis kkc kke kki kkk kkr kks krc krd krf kri krk krr krs ksc ksd kse ksf ksi ksk ksr kss rcc rcd rce rcf rci rcr rcs rdc rdd rde rdf rdi rdr rds re- rec red ree ref rei rek rer res rfc rfd rfe rff rfi rfk rfr rfs ric rid rie rif rii rik rir ris rkc rke rkf rkk rks rrc rrd rrf rri rrk rrr rrs rsc rsd rse rsf rsi rsk rsr rss scc scd sce scf sci sck scr scs sdc sdd sde sdf sdi sdk sdr sds se- sec sed see sef sei sek ser ses sfc sfd sfe sff sfi sfk sfr sfs sic sid sie sif sii sik sir sis sk- skc skd ske skf ski skk skr sks sr- src srd sre srf sri srk srr srs ss- ssc ssd sse ssf ssi ssk ssr sss

c-cd cccc cccf ccci cccs ccdc ccdf ccdi ccdr ccds cced ccee ccfc ccfd ccff ccfi ccic ccid ccii ccir ccis ccrc ccre ccrf ccri ccrs ccsd ccsf ccsi ccss cd-e cd-r cdcs cddr cdec cdef cder cdes cdfe cdfs cdic cdii cdis cdre cdrs cdss cec- cece ceci cecs cedd cede cedi ceec cees cef- cefc ceke cer- cerc cerd cere cerf ceri cers cesc cese cesi cesr cess cfcf cfcs cfds cffr cfre cfse cfsi cicc cici cicr cics cidc cide cidi cidr cids ciee cier cies cife ciff cifs ciid ciii ciis cikr circ cire ciri cirk cirr cirs cis- cisc cisd cise cisk cisr ciss ckck ckcs cker ckfi ckfr ckrc ckrd crcc crce crcr crdc cre- crec cred cree crei cres crfc crfs cric crie crif crik cris crkc crss cscc cscd csce cscf csci cscr cscs csdr csec csee cser csfc csfr csid csik csir csis csks csrc csrd csrs cssd csse cssr dccc dcci dccs dcds dcfc dcfs dcii dcis dcrk dcsc dcss dddd ddes ddie ddrc ddre ddss dec- decc decd dece deci deck decs dedd dede dedi deed deef deek deer dees defe deff defi defs deid deie deif deir deis dek- deke deks der- derc dere derf deri derk derr ders des- desc dese desi desk dess dfcc dfcs dfds dfer dfrf dfri dice dici dick dide didi dids died dief dier dies dif- diff difs diii diis dike diki dird dire dirk dirr dirs dis- disc disd dise disi disk diss dkdc dkid dred dree dref drei drek dres drfc dric drie drif drrs dscc dscr dscs dsdr dsei dsfc dsif dsrc dsri dsrr dssc dssi eccc ecce ecci ecdc ecdf eced ecef eces ecfc ecfr ecfs ecis ecks ecrc ecrf ecri ecrr ecsc ecse ecss eddc edde eddi edds ede- edei eder edes edie edif edik edis edss eecs eede eeee eees eefe eeke eeks eerc eers eese eesi eesk efes effi effs efic efik efke efsi eick eics eid- eide eidi eidr eiec eied eiei eier eies eifs eike eiki eiks eird eire eirs eisd eise eisk eiss eked ekek eker ekes ekfc ekis ekki eksi ercc erce erde erdf erdi erds erec ered erei erer eres erfc erfs eric erie erik eris erke erki erks errc erre errs erse ersi esce esci escr escs esdi esds esee esek eser eses esfs esie esik esis eske esks esrd esri esse essi f--k fccf fcds fces fcic fcii fcsc fdic fece feck fede fedi feds feed feek feer fees fefc fefe feff fefi feid feie feir feis feke ferc ferd fere ferk ferr fers fese fess ffcc ffee ffff ffii ffrr ffss ficc fice fick fics fidc fide fidf fids fiec fief fier fies fifc fife fiff fifi fiii fike fiki fire firk firs fisc fisd fise fisi fisk fiss frcc fred free frei fres frfc fric frid frie frik fris frsc fscc fsck fsec fsfi fssc fssf iccc iccf icci iccr iccs icdc icdd icde