cccc ccci ccee ccgc ccgt ccic ccii ccir ccoc ccrc ccre ccrg ccri ccrt cctc cctt cec- cece ceci ceco cect ceec cege cego ceke ceor cer- cerc cere ceri cero cert cet- cete ceti ceto cgcc cgcg cger cgro cicc cici cico cicr cict ciee cier cigi ciii ciit ciko cikr cior circ cire ciri cirk ciro cirr cirt cite citg citi cito citt ckck ckco cker ckgo ckoc ckoi ckoo ckor ckot ckrc coce cock coco coct cogi cogo coir coit cok- coke coko cook coot cor- corc core corg cori cork coro corr cort cotc cote coti coto cott crcc crce crcr cre- crec cree creg crei creo cret cric crie crig crik crit crkc croc croe crok croo cror crot crrt crtc ctec ctge ctic ctor ctot ctrc eccc ecce ecci ecco ecct ecig ecit ecko eco- ecog ecot ecrc ecri ecrr ect- ectc ecto eeee eeke eeoc eerc eerg eero eetc eete egcc egcg egcr egec egee eger egge eggi eggo egir ego- egoi egor egot egre egri egte egtk eick eico eiec eiei eier eige eigg eike eiki eiko eire eitc eiti eito eitr ekco ekek eker eket ekki ekoi eoir eore eori eotc eoto ercc erce erec erei erer eret erg- ergg ergi ergo eric erie erik erio erit erke erki eroc eroe eroi eroo errc erre erro etcc etco etec etee eter etic etik etio etoe etok etre etro ette etti etto gc-c gccc gcet gcic gcii gcrg gctc gece geck geek geer geet gege gegg gego geic geie geig geir geit geki geko geo- geog gere geri gero gert gete getg geti getk geto gett gggg gick gicr gier giet gige gigg gigi gigo giog gioi gire girg giri girk giro girr girt gite gito goce gocr goer gogi gogo goit goke goog gooi gook goor goot gore gorg gori goro gorr gort gote goti goto gott grcc grce grec gree greg gret gric grie grig grit groc grog groi grok groo gror grot grrr grtc gtco gtcr gtoe i-go iccc icci icco iccr icct icec icee icer icet icgc icke icoc icor icrc icre icrr icrt iecc ieet ieie ieio iere ieri iett igcc iger iget igkc igoe igoo igor igot igri iiie iiii iiio iiit iioi iioo iirc iitr iitt ikee iker ikig ikki ikko ikoo ikri iocg ioci ioee iogt ioii ioio ioit ioke ioko iooi iooo iore iorg iori iote ioto ircc ircg iree irer iri- iric irie irig irio irki iroc irrc irre irri irte irti itec itek iter itet itgc itgo itic itie itko itoi itoo itor itri itto k-ci kccc kcci kcck kccr kcct kcec kcee kceg kcei kceo kcet kcgc kcgi kcgr kcic kcie kcii kcir kcit kckc kckk kcko kckr kcoe kcog kcor kcot kcrc kcrg kcri kcro kcrr kcrt kctc kcte kcti kcto kecg keck keco kecr keek keer keet kege kegg kegi kegk kegr keig keii keik keio keir kekc keke keki keko keok ker- kerc kere keri kerk kero kerr kert ket- ketc kete keti ketk keto ketr kett kgcc kgce kgcr kgec kgeo kget kggg kggi kggo kggr kgio kgir kgoe kgor kgot kgrc kgre kgrg kgri kgrk kgro kgrr kgrt kgtk kgto kicc kice kicg kick kicr kict kier kigc kigo kiic kiii kiik kiit kikc kiki kikk kiko kikr kikt kioc kioe kioi kiok kioo kiot kirc kiri kirk kiro kirr kirt kitc kite kitg kiti kito kitr kitt kkci kkck kkco kkcr kkct kkeg kkgo kkgr kkic kkik kkit kkkk kkoo kkor kkot kkrc kkre kkrk kkro kkrr kkrt kktc kktk koci kock koct koei koge kogg kogi kogo kogt koii koir koit kokc koke koki kokk koko kokr kooc koog kooi kook kooo koor koot korc kore korg kori kork koro korr kort kotc kote koti kotk koto kotr kott 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 kror krrc krre krrg krri krrk krro krrr krrt krtc krti krtk krto krtr ktcc ktce ktck ktco ktcr ktec ktee kteg ktek ktge ktgg ktgo ktgr ktic ktie ktig ktik ktkc ktke ktkk ktko ktkr ktkt ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktrg ktri ktrk ktro ktrr ktrt kttc kttg ktti kttk ktto kttr kttt o-eo occc occi occt oce ocee ocet ocke 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 oire oirt oitc oiti oker oket okgo okic okie okir okko okok okor okot okre okro okto oocr ooer oooo oore oort orce orci orco ore- orec oreg orek oreo orer orge orgo ori- oric orie orig orio orit orke orko oro- oroe orok oror orot orri orro ortc orte orto otee oter otic otit oto- otoe otog otok otoo otor otre otro otte otti otto rccc rcet rcgc rcic rcrg rctc rctg rcti recc rece reci reck recr rect reek reet rege regi rego regr regt reii reik reir reit reke reki reko rekt reog reot rere rerg reri rero rert rete reti reto retr rett rgit rgtr ricc rice rick rico rict riek rier riet rige rigg rigi rigo rike riki rikk riot rire riri rite riti rito ritt rocc roce rock roco roeg roer roet roge rogg rogi rogo roig roik roio roir roit roke roki rokk roko rokr roog rooi rook roor root rorc rore rori rork roro rort rotc rote rotg roti rotk roto rotr rott rrrr rtcc rtce rtcg rtee rtei rtkg tccc tctc teck teco tecr tect teec teek teer teet tegg tegi tego tegt teic teie teir teke teok teor ter- terc tere teri terk tero terr tete teti teto tetr tett tgcc tgtc ticc tice tick tico tie- tiee tiei tieo tier tiet tige tigi tigr tiit tike tiki tiko tire tiri tiro tirr titc tite titi tito titt tkkg toce toci tock