-ic c-- ccc cce ccf cci cck ccl ccs ccx ce- cec cee cef cei cek cel ces cex cfc cfe cff cfi cfk cfl cfs cfx ci- cic cie cif cii cik cil cis cix ckc cki cks ckx cl- clc cle clf cli clk cll cls clx csc cse csf csi csk csl css csx cxc cxf cxi cxk cxl cxs cxx ec- ecc ece ecf eci eck ecl ecs ecx eec eee eef eek eel ees eex ef- efc efe eff efi efl efs efx eic eie eif eii eik eil eis eix ekc eke ekf eki ekl eks elc ele elf eli elk ell els elx es- esc ese esf esi esk esl ess esx ex- exc exe exi exl exs exx fcc fce fcf fci fck fcl fcs fcx fec fee fef fei fek fel fes fex ffc ffe fff ffi ffk ffl ffs ffx fic fie fif fii fik fil fis fix fkc fkf fki fkk fkl flc fle flf fli fll fls flx fsc fse fsf fsi fsk fsl fss fsx fxe fxi fxs fxx i-f icc ice icf ici ick icl ics ie- iec iee ief iei iek iel ies iex ifc ife iff ifi ifl ifs ifx iic iie iif iii iil iis iix ikc ike ikf iki ikk ikl iks ikx il- ilc ile ilf ili ilk ill ils ilx is- isc ise isf isi isk isl iss ixc ixe ixi ixl kcc kce kci kck kcl kcs kcx ke- kec kee kef kei kek kel kes kex kfc kff kfi kfs kfx kic kie kif kii kik kil kis kix kkc kke kki kkk kkl kks kl- klc klf kli kls klx ksc kse ksf ksi ksk ksl kss kxl lcc lce lcf lci lck lcl lcs lcx lec lee lef lei lek lel les lex lfc lfe lff lfi lfk lfl lfs lfx lic lie lif lii lik lil lis lix lkl lks llc lle llf lli llk lll lls lsc lse lsf lsi lsk lsl lss lxc lxi lxx scc sce scf sci sck scl scs scx se- sec see sef sei sek sel ses sex sfc sfe sff sfi sfk sfl sfs sfx sic sie sif sii sik sil sis six sk- skc ske skf ski skk skl sks skx slc sle slf sli slk sll sls slx ss- ssc sse ssf ssi ssk ssl sss ssx sxc sxi sxl sxs xcf xci xcl xcx xee xel xes xex xfe xfl xfs xfx xic xie xii xis xix xke xkl xks xlf xli xls xsc xsi xsl xss xxi xxl xxx

cccc cccf ccci cccl cccs ccee ccel ccfc ccff ccfi ccfl ccic ccii ccil ccis ccix cclc ccli ccls cclx ccsf ccsi ccsl ccss ccxi ccxl cec- cece ceci cecs ceec ceel cees cef- cefc ceil ceke cel- celc cele celf celi cell cels cesc cese cesi cess cexe cfcf cfcl cfcs cfix cfls cfse cfsi cfsl cfsx cicc cici cics ciee ciel cies cife ciff cifl cifs ciii ciis cili cilk cill cils cis- cisc cise cisk cisl ciss cixi ckck ckcl ckcs ckcx ckfi cklf cksl clec clee clef clei clek cles clic clif clii clik clis clix clsc clxi clxx cscc csce cscf csci cscl cscs csec csee csfc csik csis csix csks csse cxfs cxii cxix cxxi cxxx e-cl eccc ecce ecci eccl ecef eces ecfc ecfs ecil ecis ecks ecsc ecse ecss eecs eeee eees eefe eefl eeke eeks eele eels eese eesi eesk efes effi effs efic efik efil efke efsi eick eics eiec eiei eies eifs eike eiki eiks eile eise eisk eiss ekek ekes ekfc ekis ekki eksi elce elec elee elef elek eles elex elfc elfe elfi elfs elic elie elif elik elil elis elix elke elki elks elle elli ells else esce esci escs esee esek esel eses esfs esie esik esil esis eske esks esli esse essi essl excl exec exel exes exif exis exki f--k fccf fces fcic fcii fcsc fcsl fece feck feek feel fees fefc fefe feff fefi feie feil feis feke fele felf feli felk fell fels fese fess ffcc ffee ffff ffii ffss ficc fice fick fics fiec fief fiel fies fifc fife fiff fifi fiii fiil fike fiki file fili filk fill fils fisc fise fisi fisk fiss fixe fixx flcl flee fles flex flic flii flik flis flix fscc fsck fsec fsfi fsix fssc fssf iccc iccf icci iccl iccs icec icee icef icel ices icex icis icke icks icle icll icsc icse icsi icss iecc ieie iele iels iesc iesi ifel ifes ifex ific ifil ifis ifsc iies iiie iiii iiis iisc iisi ikee ikes ikki ilce ile- ilec ilek iles ilex ilic ilie ilis ilke ilki ilks ill- ille illi ills ilse ilxx iscc isci iscs isec isee isel ises isfc isic isie isil isis iskf isle isls issc isse issf issi isss ixil ixxi k-ci kc-x kccc kcci kcck kccl kcec kcee kcei kcel kcfc kcfi kcfl kcfx kcic kcie kcif kcii kcil kcis kcix kckc kckf kckk kckl kckx kclc kcle kclf kcli kclk kcll kcls kclx kcsc kcse kcsf kcsi kcss kcxl keck keef keek keel kees kefc keff kefs kefx keif keii keik keil keis kekc keke keki kekl keks kele kelf keli kelk kell kesc kesi kesk kess kexi kexl kexs kexx kfcf kfcs kfel kfff kffk kffx kfil kfis kfix kfkx kflc kflf kfli kfll kfls kflx kfse kfsi kfsk kfxe kfxf kfxi kfxl kfxs kfxx kicc kice kick kicl kics kicx kief kiel kies kife kiff kifl kifs kifx kiic kiii kiik kiis kiix kikc kikf kiki kikk kikx kile kili kilk kill kilx kisc kise kisf kisi kisk kisl kiss kisx kixi kixk kixl kixs kixx kkci kkck kkcl kkcs kkex kkfi kkfs kkic kkik kkix kkkk kklc kklf kkli kkll kkls kklx kkse kksf kksi kkss kkxk kkxl kkxs kkxx klcc klce klci klck klcl klcs klcx klec klee klef klek kles klex klfc klfe klff