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 cfcf cffr cfre cicc cici cicr ciee cier cife ciff ciii cikr circ cire ciri cirk cirr ckck cker ckfi ckfr ckrc crcc crce crcr cre- crec cree crei crfc cric crie crif crik crkc eccc ecce ecci ecef ecfc ecfr ecrc ecrf ecri ecrr eeee eefe eeke eerc effi efic efik efke eick eiec eiei eier eike eiki eire ekek eker ekfc ekki ercc erce erec erei erer erfc eric erie erik erke erki errc erre f--k fccf fcic fcii fece feck feek feer fefc fefe feff fefi feie feir feke ferc fere ferk ferr ffcc ffee ffff ffii ffrr ficc fice fick fiec fief fier fifc fife fiff fifi fiii fike fiki fire firk frcc free frei frfc fric frie frik iccc iccf icci iccr icec icee icef icer icke icrc icre icrf icrr iecc ieie iere ieri ifer ific ifrf ifri iiie iiii iirc ikee iker ikki ikri ircc iree irer irfe iri- iric irie irki irrc irre irri k-ci kccc kcci kcck kccr kcec kcee kcei kcfc kcfi kcic kcie kcif kcii kcir kckc kckf kckk kckr kcrc kcri kcrr keck kecr keef keek keer kefc keff kefr keif keii keik keir kekc keke keki ker- kerc kere kerf keri kerk kerr kfcf kfcr kfer kfff kffk kfir kfrc kfre kfri kfrr kicc kice kick kicr kief kier kife kiff kifr kiic kiii kiik kikc kikf kiki kikk kikr kirc kirf kiri kirk kirr kkci kkck kkcr kkfi kkfr kkic kkik kkkk kkrc kkre kkrf kkrk kkrr krcc krce krci krec kree kref krei krek krfc krfe krff krik krkc krke krki krkk krkr krrc krre krrf krri krrk krrr rccc rcfc rcic recc rece reci reck recr reef reek refe reff refi refr reif reii reik reir reke reki rere reri rfef rffc rfic ricc rice rick rief riek rier rife riff riif rike riki rikk rire riri rkkf rrfc rrif rrrr