-er c-- ccc cce ccf cck cco ccr ccs cct ce- cec cee cef cek ceo cer ces cet cfc cfe cff cfk cfo cfr cfs cft ckc cko cks ckt co- coc coe cof cok coo cor cos cot crc cre crf crk cro crr crs crt csc cse csf csk cso csr css cst ctc cte ctf ctk cto ctr cts ctt ec- ecc ece ecf eck eco ecr ecs ect eec eee eef eek eeo eer ees eet ef- efc efe eff efo efr efs eft ekc eke ekf eko ekr eks ekt eo- eoc eoe eof eok eoo eor eos eot erc ere erf erk ero err ers ert es- esc ese esf esk eso esr ess est etc ete etf etk eto etr ets ett fcc fce fcf fck fco fcr fcs fct fec fee fef fek feo fer fes fet ffc ffe fff ffk ffo ffr ffs fft fkc fkf fkk fkt foc foe fof fok foo for fos fot frc fre frf frk fro frr frs frt fsc fse fsf fsk fso fsr fss fst ftc fte ftf ftk fto ftr fts ftt k-t kcc kce kck kcr kcs kct ke- kec kee kef kek keo ker kes ket kfc kff kfo kfs kkc kke kkk kkr kks kkt koc koe kof kok koo kor kos kot krc krf krk kro krr krs krt ksc kse ksf ksk kso ksr kss kst ktc kte ktf ktk kto ktr kts ktt oc- occ ocf ock oco ocr ocs oct oec oee oef oeo oer oes oet of- ofc ofe off ofo ofr ofs oft okc oke okk oko okr oks oo- ooc oof ook ooo oor oos oot or- orc ore orf ork oro orr ors ort os- osc ose osf osk oso osr oss ost ot- otc ote otf otk oto otr ots ott rcc rce rcf rco rcr rcs rct re- rec ree ref rek reo rer res ret rfc rfe rff rfk rfo rfr rfs rft rkc rke rkf rkk rko rks rkt roc roe rof rok roo ror ros rot rrc rrf rrk rrr rrs rrt rsc rse rsf rsk rso rsr rss rst rtc rte rtf rtk rto rtr rts rtt scc sce scf sck sco scr scs sct se- sec see sef sek seo ser ses set sfc sfe sff sfk sfo sfr sfs sft sk- skc ske skf skk sko skr sks skt soc soe sof sok soo sor sos sot sr- src sre srf srk sro srr srs srt ss- ssc sse ssf ssk sso ssr sss sst stc ste stf stk sto str sts stt tcc tce tcf tck tco tcr tcs tct te- tec tee tef tek teo ter tes tet tfc tfe tff tfk tfo tfr tfs tft tkc tke tkk tko tkr tks tkt to- toc toe tof tok too tor tos tot trc tre trf trk tro trr trs trt tsc tse tsf tsk tso tsr tss tst ttc tte ttf ttk tto ttr tts ttt

-ose cccc cccf cccs ccee ccfc ccff ccoc ccrc ccre ccrf ccrs ccrt ccsf ccss ccst cctc cctt cec- cece ceco cecs cect ceec cees cef- cefc ceke ceor ceos cer- cerc cere cerf cero cers cert cesc cese cesr cess cest cet- cete ceto cets cfcf cfco cfcs cffr cfor cfos cfre cfrt cfse cftc cfte cftk cftr ckck ckco ckcs cker ckfr ckoc ckoo ckor ckos ckot ckrc ckso ckst ckts coce cock coco coct coes cofc cofe coff cofs coft cok- coke coko coof cook coos coot cor- corc core corf cork coro corr cors cort cosc cose coso coss cost cotc cote coto cots cott crcc crce crcr cre- crec cree creo cres cret crfc crfs crkc croc croe crok croo cror crot crrt crss crst crtc crtf crts cscc csce cscf csco cscr cscs csec csee cser cset csfc csfr csks csor csos csot csrc csrs csse cssr cstc csto cstr csts ctcf ctec ctfc ctfo ctfs ctor ctos ctot ctrc ctrs ctsc ctss ctts eccc ecce ecco ecct ecef eces ecfc ecfr ecfs ecko ecks eco- ecos ecot ecrc ecrf ecrr ecsc ecse ecss ect- ectc ectf ecto ects eecs eeee eees eefe eeke eeks eeoc eerc eero eers eese eesk eetc eete eets efco efeo efes efet effs efke efor eft- efts ekco ekek eker ekes eket ekfc ekos eoes eore eost eotc eoto eots ercc erce erec erer eres eret erfc erfs erft erke erks eroc eroe eroo eros errc erre erro errs erse erso erst erts esce esco escr escs esee esek eseo eser eses eset esfs eske esko esks eso- esok esos esse esso esst estc este esto estr ests etcc etco etcs etec etee eter etes etfc etfe etoe etok etos etre etro ette etto f--k fccf fces fcot fcsc fcst fcto fece feck fect feek feer fees feet fefc fefe feff fefo feke feko feof ferc fere ferk fero ferr fers fert fese fess fest fete fetr fets fett ffcc ffee ffff ffrr ffss fftf foce fock foco focs foer foes fofo foke foof fook foos foot for- fore fork foro forr fors fort foso foss fost fote foto fots fott frcc free freo fres fret frfc froe fros frot frsc frso frst fscc fsck fsec fsfo fssc fssf ft-c fter ftfc ftos ftrs ftse ftsr k-os kccc kcck kccr kcct kcec kcee kceo kcet kcfc kcfo kcft kckc kckf kckk kcko kckr kcoe kcof kcor kcos kcot kcrc kcro kcrr kcrs kcrt kcsc kcse kcsf kcsr kcss kcst kctc kcte kcto keck keco kecr keef keek keer kees keet kefc keff kefr kefs keft kekc keke keko keks keok keos ker- kerc kere kerf kerk kero kerr kers kert kesc kesk keso kesr kess kest ket- ketc kete ketf ketk keto ketr kets kett kfcf kfco kfcr kfcs kfer kfff kffk kfok kfoo kfor kfrc kfre kfro kfrr kfrs kfse kfsk kfsr kfst kftc kfte kftk kftt kkck kkco kkcr kkcs kkct