cccc ccci cccp ccee ccgc ccgt ccic ccii ccip ccir ccoc ccpe ccpp ccpr ccrc ccre ccrg ccri ccrp ccrt cctc cctt cec- cece ceci ceco cecp cect ceec cege cego ceip ceke ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere ceri cero cerp cert cet- cete ceti ceto cetp cgcc cgcg cger cgro cgtp cicc cici cico cicr cict ciee cier cigi ciii ciit ciko cikr cior cipo cipp circ cire ciri cirk ciro cirr cirt cite citg citi cito citp citt ckck ckco cker ckgo ckoc ckoi ckoo ckor ckot ckpc ckpg ckpr ckrc coce cock coco cocp coct coep cogi cogo coip coir coit cok- coke coko cook coop coot cope copg copi copo copp copr copt cor- corc core corg cori cork coro corp corr cort cotc cote coti coto cott cpce cpep cper cpic cpio cpre cpri cprt cptp cptr crcc crce crcr cre- crec cree creg crei creo crep cret cric crie crig crik crip crit crkc crkp croc croe crok croo crop cror crot crpc crrt crtc crtp ctcp ctec ctep ctge ctic ctor ctot ctpo ctpp ctrc ctrp eccc ecce ecci ecco ecct ecig ecip ecit ecko eco- ecog ecop ecot ecpg ecpp ecrc ecri ecrr ect- ectc ecto eeee eeke eeoc eerc eerg eero eetc eete egcc egcg egcr egec egee eger egge eggi eggo eggp egir ego- egoi egor egot egpe egpi egpo egre egri egte egtk eick eico eiec eiei eier eige eigg eike eiki eiko eipo eipr eire eitc eiti eito eitr ekco ekek eker eket ekki ekoi ekpe ekpo eoir eore eori eotc eoto epcc epci epec epee eper epi- epic epie epik epip epit epoc epor epot eppc eppo eppp epro eprp epte ercc erce ercp erec erei erer eret erg- ergg ergi ergo eric erie erik erio erit erke erki eroc eroe eroi eroo erpe errc erre erro etcc etco etec etee eter etic etik etio etoe etok etre etro ette etti etto gc-c gccc gcet gcic gcii gcpc gcrg gctc gece geck geek geep geer geet gege gegg gego geic geie geig geir geit geki geko geo- geog gepe gere geri gero gert gete getg geti getk geto gett gggg ggpo gick gicr gier giet gige gigg gigi gigo giog gioi giop gipe gipi gipp gire girg giri girk giro girr girt gite gito gkrp goce gocr goer gogi gogo goip goit goke goog gooi gook goop goor goot gopc gope gopi gopo gore gorg gori goro gorp gorr gort gote goti goto gott gper gpgp gpip gpot gprp grcc grce grec gree greg grep gret gric grie grig grip grit groc grog groi grok groo grop gror grot grpc grrr grtc gtco gtcr gtip gtoe gtop i-go iccc icci icco iccp iccr icct icec icee icer icet icgc icke icoc icor icpc icpo icrc icre icrr icrt ictp iecc ieet ieie ieio iere ieri iett igcc igcp iger iget igkc igoe igoo igor igot igri iiie iiii iiio iiit iioi iioo iiop iirc iitr iitt ikee iker ikig ikki ikko ikoo ikri iocg ioci iocp ioee iogt ioii ioio ioit ioke ioko iooi iooo iore iorg iori iote ioto ipcc ipce ipct ipec ipek iper ipet ipie ipkg ipko ipoe ipop ippc ippo ippr ipri iptc ipto ircc ircg iree irer iri- iric irie irig irio irip irki iroc irop irpc irpe irrc irre irri irte irti irtp itec itek itep iter itet itgc itgo itic itie itko itoi itoo itor itpc itri itto k-ci kccc kcci kcck kccr kcct kcec kcee kceg kcei kceo kcep kcet kcgc kcgi kcgr kcic kcie kcii kcir kcit kckc kckk kcko kckr kcoe kcog kcor kcot kcpc kcpi kcpo kcpr kcpt kcrc kcrg kcri kcro kcrp kcrr kcrt kctc kcte kcti kcto kecg keck keco kecr keek keep keer keet kege kegg kegi kegk kegr keig keii keik keio keir kekc keke keki keko keok kep- kepc kepe kepi kept ker- kerc kere keri kerk kero kerp kerr kert ket- ketc kete keti ketk keto ketp ketr kett kgcc kgce kgcr kgec kgeo kget kggg kggi kggo kggr kgio kgir kgoe kgor kgot kgpe kgpg kgpr kgpt kgrc kgre kgrg kgri kgrk kgro kgrr kgrt kgtk kgto kicc kice kicg kick kicp kicr kict kier kigc kigo kiic kiii kiik kiip kiit kikc kiki kikk kiko kikr kikt kioc kioe kioi kiok kioo kiot kip- kipe kipi kipo kipp kipr kipt kirc kiri kirk kiro kirp kirr kirt kitc kite kitg kiti kito kitr kitt kkci kkck kkco kkcr kkct kkeg kkgo kkgr kkic kkik kkit kkkk kkoo kkor kkot kkpc kkpk kkpt kkrc kkre kkrk kkro kkrr kkrt kktc kktk koci kock kocp koct koei koge kogg kogi kogo kogt koii koir koit kokc koke koki kokk koko kokp kokr kooc koog kooi kook kooo koop koor koot kope kopi kopp kopr kopt korc kore korg kori kork koro korr kort kotc kote koti kotk koto kotr kott kpcc kpcr kpek kper kpet kpge kpgg kpgr kpgt kpir kpit kpke kpkk kpkr kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprg kpri kprk kpro kprp kprr kprt kpte kpto kptr kptt krcc krce krcg krci krco krec kree krei krek kreo kret krgi krgt krik krio krit krkc krke krki krkk krko krkr kroc kroe krog kroi krok kroo krop kror krpi krpr krpt krrc krre krrg krri krrk krro krrr krrt krtc krti krtk krto krtr ktcc ktce ktck ktco ktcr ktec ktee kteg ktek ktep ktge ktgg ktgo ktgr ktic ktie ktig ktik ktip ktkc ktke ktkk ktko ktkr ktkt ktoc ktoe ktok ktoo ktop ktor ktot ktpi ktpk ktpo ktpr ktpt ktrc ktre ktrg ktri ktrk ktro ktrp ktrr ktrt kttc kttg ktti kttk ktto kttp kttr kttt o-eo occc occi occt oce ocee ocet ocke ocpp ocre ocro ocrr oct- octe octi octo oec- oecc oeec oere oeti ogee oger ogge oggi ogog ogoi ogre ogri ogro oici oick oier oigo oiii oike oiko