-er c-- ccc cce ccf cck cco ccp ccr cct ce- cec cee cef cek ceo cep cer cet cfc cfe cff cfk cfo cfp cfr cft ckc cko ckt co- coc coe cof cok coo cop cor cot cpc cpe cpf cpk cpo cpp cpr cpt crc cre crf crk cro crp crr crt ctc cte ctf ctk cto ctp ctr ctt ec- ecc ece ecf eck eco ecr ect eec eee eef eek eeo eep eer eet ef- efc efe eff efo efp efr eft ekc eke ekf eko ekp ekr ekt eo- eoc eoe eof eok eoo eop eor eot ep- epc epe epf epo epp epr ept erc ere erf erk ero erp err ert etc ete etf etk eto etp etr ett fcc fce fcf fck fco fcp fcr fct fec fee fef fek feo fep fer fet ffc ffe fff ffk ffo ffp ffr fft fkc fkf fkk fkp fkt foc foe fof fok foo fop for fot fpc fpe fpk fpo fpp fpr fpt frc fre frf frk fro frp frr frt ftc fte ftf ftk fto ftp ftr ftt k-t kcc kce kck kcp kcr kct ke- kec kee kef kek keo kep ker ket kfc kff kfo kkc kke kkk kkp kkr kkt koc koe kof kok koo kop kor kot kpc kpe kpf kpk kpo kpp kpr kpt krc krf krk kro krp krr krt ktc kte ktf ktk kto ktp ktr ktt oc- occ ocf ock oco ocp ocr oct oec oee oef oeo oep oer oet of- ofc ofe off ofo ofp ofr oft okc oke okk oko okp okr oo- ooc oof ook ooo oop oor oot op- opc ope opf opk opo opp opr opt or- orc ore orf ork oro orp orr ort ot- otc ote otf otk oto otp otr ott p-p pcc pce pcf pck pco pcp pcr pct pec pee pef pek peo pep per pet pfc pfe pff pfk pfo pfp pfr pft pkc pke pkf pko pkp pkr pkt poc poe pof pok poo pop por pot ppc ppe ppf ppk ppo ppp ppr ppt prc pre prf prk pro prp prr prt pt- ptc pte ptf ptk pto ptp ptr ptt rcc rce rcf rco rcp rcr rct re- rec ree ref rek reo rep rer ret rfc rfe rff rfk rfo rfp rfr rft rkc rke rkf rkk rko rkp rkt roc roe rof rok roo rop ror rot rpc rpe rpf rpk rpo rpp rpr rpt rrc rrf rrk rrp rrr rrt rtc rte rtf rtk rto rtp rtr rtt tcc tce tcf tck tco tcp tcr tct te- tec tee tef tek teo tep ter tet tfc tfe tff tfk tfo tfp tfr tft tkc tke tkk tko tkp tkr tkt to- toc toe tof tok too top tor tot tpc tpe tpf tpk tpo tpp tpr tpt trc tre trf trk tro trp trr trt ttc tte ttf ttk tto ttp ttr ttt

cccc cccf cccp ccee ccfc ccff ccoc ccpe ccpp ccpr ccrc ccre ccrf ccrp ccrt cctc cctt cec- cece ceco cecp cect ceec cef- cefc ceke ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cerf cero cerp cert cet- cete ceto cetp cfcf cfco cffr cfor cfpo cfpr cfre cfrp cfrt cftc cfte cftk cftr ckck ckco cker ckfr ckoc ckoo ckor ckot ckpc ckpr ckrc coce cock coco cocp coct coep cofc cofe coff coft cok- coke coko coof cook coop coot cope copo copp copr copt cor- corc core corf cork coro corp corr cort cotc cote coto cott cpce cpep cper cpff cpft cpre cprt cptp cptr crcc crce crcr cre- crec cree creo crep cret crfc crkc crkp croc croe crok croo crop cror crot crpc crrt crtc crtf crtp ctcf ctcp ctec ctep ctfc ctfo ctor ctot ctpo ctpp ctrc ctrp eccc ecce ecco ecct ecef ecfc ecfr ecko eco- ecop ecot ecpp ecrc ecrf ecrr ect- ectc ectf ecto eeee eefe eeke eeoc eerc eero eetc eete efco efeo efet efke efor eft- eftp ekco ekek eker eket ekfc ekpe ekpo eore eotc eoto epcc epec epee eper epfc epoc epor epot eppc eppo eppp epro eprp epte ercc erce ercp erec erer eret erfc erft erke eroc eroe eroo erpe errc erre erro etcc etco etec etee eter etfc etfe etoe etok etre etro ette etto f--k fccf fccp fcot fcto fece feck fect feek feer feet fefc fefe feff fefo feke feko feof fepc ferc fere ferk fero ferr fert fete fetp fetr fett ffcc ffee ffff ffrr fftf foce fock foco foer fofo foke foof fook foot fopp for- fore fork foro forr fort fote foto fotp fott fp-c fpcc fpct fprf frcc frcp free freo frep fret frfc froe frop frot ft-c fter ftfc ftop ftpe kccc kcck kccr kcct kcec kcee kceo kcep kcet kcfc kcfo kcfp kcft kckc kckf kckk kcko kckr kcoe kcof kcor kcot kcpc kcpo kcpr kcpt kcrc kcro kcrp kcrr kcrt kctc kcte kcto keck keco kecr keef keek keep keer keet kefc keff kefr keft kekc keke keko keok kep- kepc kepe kept ker- kerc kere kerf kerk kero kerp kerr kert ket- ketc kete ketf ketk keto ketp ketr kett kfcf kfco kfcr kfer kfff kffk kfok kfoo kfor kfpr kfpt kfrc kfre kfro kfrp kfrr kftc kfte kftk kftt kkck kkco kkcr kkct kkfr kkft kkkk kkoo kkor kkot kkpc kkpk kkpt kkrc kkre kkrf kkrk kkro kkrr kkrt kktc kktk kocf kock kocp koct kofc kofe koff kofk kofo kofp koft kokc koke kokf kokk koko kokp kokr kooc kook kooo koop koor koot kope kopf kopp kopr kopt korc kore korf kork koro korr kort kotc kote kotk koto kotr kott kpcc kpcr kpek kper kpet kpfc kpfk kpfr kpft kpke kpkk kpkr kpoc kpoe kpof kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprf kprk kpro kprp kprr kprt kpte kpto kptr kptt krcc krce