cccc ccci ccee ccic ccii ccir ccrc ccre ccri cec- cece ceci ceec ceke cer- cerc cere ceri cery cicc cici cicr ciee cier ciii cikr circ cire ciri cirk cirr ckck ckcy cker ckey ckrc ckry crcc crce crcr cre- crec cree crei cric crie crik crkc cry- cyc- cycc cyke cyre cyrk cyy- cyyc eccc ecce ecci ecky ecrc ecri ecrr eeee eeke eerc eery eick eiec eiei eier eike eiki eire eiry ekek eker ekki ercc erce erec erei erer eric erie erik erke erki errc erre eryc erye eyck eyec eyer eyey eyik eyir eyke eyre eyry eyyr iccc icci iccr icec icee icer icey icke icky icrc icre icrr icry iecc ieie iere ieri iiie iiii iirc ikee iker ikey ikki ikky ikri ircc iree irer iri- iric irie iriy irki irrc irre irri iyer iyre k-ci kccc kcci kcck kccr kccy kcec kcee kcei kcey kcic kcie kcii kcir kckc kckk kckr kcky kcrc kcri kcrr kcry kcye kcyk kcyy keck kecr keek keer keii keik keir kekc keke keki ker- kerc kere keri kerk kerr keye keyy kicc kice kick kicr kicy kier kiic kiii kiik kikc kiki kikk kikr kirc kiri kirk kirr kiyi kiyk kkci kkck kkcr kkcy kkic kkik kkkk kkrc kkre kkrk kkrr kkyc kkyy krcc krce krci krec kree krei krek krik krkc krke krki krkk krkr krky krrc krre krri krrk krrr krry krye kryk kryy kycc kyck kycr kyee kykc kyke kykk kykr kyky kyrc kyre kyrk kyyi kyyk kyyy rccc rcic rcyc recc rece reci reck recr recy reek reii reik reir reke reki reky rere reri rery reye reyk ricc rice rick riek rier rike riki rikk rire riri rrrr ryck ryke ryki yccc ycee ycie yeck yeek yeer yeie yeii yeir yeke yeki yere yeri yerk yerr yery yeye yeyi yeyr yike yire yirk yirr ykey yrke yyyy