cccc cccf ccci ccee ccfc ccff ccfi ccic ccii ccir ccrc ccre ccrf ccri cec- cece ceci ceec cef- cefc ceke cer- cerc cere cerf ceri cery cfcf cfcy cffr cfre cfry cfyk cicc cici cicr ciee cier cife ciff ciii cikr circ cire ciri cirk cirr ckck ckcy cker ckey ckfi ckfr ckrc ckry crcc crce crcr cre- crec cree crei crfc cric crie crif crik crkc cry- cyc- cycc cyfe cyfi cyke cyre cyrk cyy- cyyc eccc ecce ecci ecef ecfc ecfr ecky ecrc ecrf ecri ecrr eeee eefe eeke eerc eery effi effy efic efik efke eick eiec eiei eier eike eiki eire eiry ekek eker ekfc ekki ercc erce erec erei erer erfc eric erie erik erke erki errc erre eryc erye eyck eyec eyer eyey eyfi eyik eyir eyke eyre eyry eyyr f--k fccf fcic fcii fece feck feek feer fefc fefe feff fefi feie feir feke ferc fere ferk ferr fery feyr ffcc ffee ffff ffii ffrr ficc fice fick fiec fief fier fifc fife fiff fifi fiii fike fiki fiky fire firk firy frcc free frei frey frfc fric frie frik frye fyce fyfe fyfi fyke fyre fyrk fyry iccc iccf icci iccr icec icee icef icer icey icke icky icrc icre icrf icrr icry iecc ieie iere ieri ifer iffy ific ifrf ifri iiie iiii iirc ikee iker ikey ikki ikky ikri ircc iree irer irfe iri- iric irie iriy irki irrc irre irri iyer iyre k-ci kccc kcci kcck kccr kccy kcec kcee kcei kcey kcfc kcfi kcfy kcic kcie kcif kcii kcir kckc kckf kckk kckr kcky kcrc kcri kcrr kcry kcye kcyk kcyy keck kecr keef keek keer kefc keff kefr keif keii keik keir kekc keke keki ker- kerc kere kerf keri kerk kerr keye keyf keyy kfcf kfcr kfcy kfer kfff kffk kfir kfrc kfre kfri kfrr kfry kfyi kfyr kicc kice kick kicr kicy kief kier kife kiff kifr kiic kiii kiik kikc kikf kiki kikk kikr kirc kirf kiri kirk kirr kiyi kiyk kkci kkck kkcr kkcy kkfi kkfr kkic kkik kkkk kkrc kkre kkrf kkrk kkrr kkyc kkyy krcc krce krci krec kree kref krei krek krfc krfe krff krik krkc krke krki krkk krkr krky krrc krre krrf krri krrk krrr krry krye kryk kryy kycc kyck kycr kyee kyfi kyfr kykc kyke kykk kykr kyky kyrc kyre kyrf kyrk kyyi kyyk kyyy rccc rcfc rcic rcyc recc rece reci reck recr recy reef reek refe reff refi refr reif reii reik reir reke reki reky rere reri rery reye reyk rfef rffc rfic ricc rice rick rief riek rier rife riff riif rike riki rikk rire riri riyf rkkf rrfc rrif rrrr ryck ryfe ryff ryif ryke ryki ryyf yccc ycee ycie yeck yeek yeer yefe yeff yeie yeii yeir yeke yeki yere yeri yerk yerr yery yeye yeyi yeyr yiff yike yire yirk yirr ykey yrke yyfe yyff yyyy