-er -ic c-- ccc cce ccf cci cck cco ccr ccs ce- cec cee cef cei cek ceo cer ces cfc cfe cff cfi cfk cfo cfr cfs ci- cic cie cif cii cik cio cir cis ckc cki cko cks co- coc coe cof coi cok coo cor cos crc cre crf cri crk cro crr crs csc cse csf csi csk cso csr css ec- ecc ece ecf eci eck eco ecr ecs eec eee eef eek eeo eer ees ef- efc efe eff efi efo efr efs eic eie eif eii eik eio eir eis ekc eke ekf eki eko ekr eks eo- eoc eoe eof eoi eok eoo eor eos erc ere erf eri erk ero err ers es- esc ese esf esi esk eso esr ess fcc fce fcf fci fck fco fcr fcs fec fee fef fei fek feo fer fes ffc ffe fff ffi ffk ffo ffr ffs fic fie fif fii fik fir fis fkc fkf fki fkk foc foe fof foi fok foo for fos frc fre frf fri frk fro frr frs fsc fse fsf fsi fsk fso fsr fss i-f icc ice icf ici ick ico icr ics ie- iec iee ief iei iek ier ies ifc ife iff ifi ifo ifr ifs iic iie iif iii iio iir iis ikc ike ikf iki ikk iko ikr iks io- ioc ioe iof ioi ioo ior ios ir- irc ire irf iri irk iro irr irs is- isc ise isf isi isk iso isr iss kcc kce kci kck kcr kcs ke- kec kee kef kei kek keo ker kes kfc kff kfi kfo kfs kic kie kif kii kik kio kir kis kkc kke kki kkk kkr kks koc koe kof koi kok koo kor kos krc krf kri krk kro krr krs ksc kse ksf ksi ksk kso ksr kss o-i oc- occ ocf oci ock oco ocr ocs oec oee oef oei oeo oer oes of- ofc ofe off ofi ofo ofr ofs oic oie oif oii oik oio oir ois okc oke oki okk oko okr oks oo- ooc oof ooi ook ooo oor oos or- orc ore orf ori ork oro orr ors os- osc ose osf osi osk oso osr oss rcc rce rcf rci rco rcr rcs re- rec ree ref rei rek reo rer res rfc rfe rff rfi rfk rfo rfr rfs ric rie rif rii rik rio rir ris rkc rke rkf rkk rko rks roc roe rof roi rok roo ror ros rrc rrf rri rrk rrr rrs rsc rse rsf rsi rsk rso rsr rss scc sce scf sci sck sco scr scs se- sec see sef sei sek seo ser ses sfc sfe sff sfi sfk sfo sfr sfs sic sie sif sii sik sio sir sis sk- skc ske skf ski skk sko skr sks soc soe sof soi sok soo sor sos sr- src sre srf sri srk sro srr srs ss- ssc sse ssf ssi ssk sso ssr sss

-ose cccc cccf ccci cccs ccee ccfc ccff ccfi ccic ccii ccir ccis ccoc ccrc ccre ccrf ccri ccrs ccsf ccsi ccss cec- cece ceci ceco cecs ceec cees cef- cefc ceke ceor ceos cer- cerc cere cerf ceri cero cers cesc cese cesi cesr cess cfcf cfco cfcs cffr cfor cfos cfre cfse cfsi cicc cici cico cicr cics ciee cier cies cife ciff cifs ciii ciis ciko cikr cior cios circ cire ciri cirk ciro cirr cirs cis- cisc cise cisk cisr ciss ckck ckco ckcs cker ckfi ckfr ckoc ckoi ckoo ckor ckos ckrc ckso coce cock coco coes cofc cofe coff cofi cofs coif coir cois cok- coke coko coof cook coos cor- corc core corf cori cork coro corr cors cosc cose cosi coso coss crcc crce crcr cre- crec cree crei creo cres crfc crfs cric crie crif crik cris crkc croc croe crok croo cror crss cscc csce cscf csci csco cscr cscs csec csee cser csfc csfr csik csio csir csis csks csor csos csrc csrs csse cssr eccc ecce ecci ecco ecef eces ecfc ecfr ecfs ecis ecko ecks eco- ecos ecrc ecrf ecri ecrr ecsc ecse ecss eecs eeee eees eefe eeke eeks eeoc eerc eero eers eese eesi eesk efco efeo efes effi effs efic efik efke efor efsi eick eico eics eiec eiei eier eies eifs eike eiki eiko eiks eire eirs eise eisk eiso eiss ekco ekek eker ekes ekfc ekis ekki ekoi ekos eksi eoes eoir eois eore eori ercc erce erec erei erer eres erfc erfs eric erie erik erio eris erke erki erks eroc eroe eroi eroo eros errc erre erro errs erse ersi erso esce esci esco escr escs esee esek eseo eser eses esfs esie esik esis eske esko esks eso- esok esos esri esse essi esso f--k fccf fces fcic fcii fcsc fece feck feek feer fees fefc fefe feff fefi fefo feie feio feir feis feke feko feof ferc fere ferk fero ferr fers fese fess ffcc ffee ffff ffii ffrr ffss ficc fice fick fico fics fiec fief fier fies fifc fife fiff fifi fifo fiii fike fiki fioe fior fios fire firk firs fisc fise fisi fisk fiss foce foci fock foco focs foer foes fofo foie fois foke foki foof fook foos for- fore fori fork foro forr fors fosi foso foss frcc free frei freo fres frfc fric frie frik frio fris froe fros frsc frso fscc fsck fsec fsfi fsfo fssc fssf iccc iccf icci icco iccr iccs icec icee icef icer ices icis icke icks icoc icor icos icrc icre icrf icrr icrs icsc icse icsi icsr icss iecc ieie ieio iere ieri iers iesc iesi ieso iesr ifco ifer ifes ific ifis ifor ifrf ifri ifsc ifso iies iiie iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr ikee iker ikes ikki ikko ikoo ikri ioci ioee iofc ioii ioio ioke ioko ioof iooi iooo ioos