cccc cccf ccci ccee ccfc ccff ccfi ccic ccii ccoc cec- cece ceci ceco ceec cef- cefc ceke cfcf cfco cicc cici cico ciee cife ciff ciii ciko ckck ckco ckfi ckoc ckoi ckoo coce cock coco cofc cofe coff cofi coif cok- coke coko coof cook eccc ecce ecci ecco ecef ecfc ecko eco- eeee eefe eeke eeoc efco efeo effi efic efik efke eick eico eiec eiei eike eiki eiko ekco ekek ekfc ekki ekoi f--k fccf fcic fcii fece feck feek fefc fefe feff fefi fefo feie feio feke feko feof ffcc ffee ffff ffii ficc fice fick fico fiec fief fifc fife fiff fifi fifo fiii fike fiki fioe foce foci fock foco fofo foie foke foki foof fook iccc iccf icci icco icec icee icef icke icoc iecc ieie ieio ifco ific iiie iiii iiio iioi iioo ikee ikki ikko ikoo ioci ioee iofc ioii ioio ioke ioko ioof iooi iooo k-ci kccc kcci kcck kcec kcee kcei kceo kcfc kcfi kcfo kcic kcie kcif kcii kckc kckf kckk kcko kcoe kcof keck keco keef keek kefc keff keif keii keik keio kekc keke keki keko keok kfcf kfco kfff kffk kfio kfok kfoo kicc kice kick kief kife kiff kiic kiii kiik kikc kikf kiki kikk kiko kioc kioe kioi kiok kioo kkci kkck kkco kkfi kkic kkik kkkk kkoo kocf koci kock koei kofc kofe koff kofi kofk kofo koii kokc koke kokf koki kokk koko kooc kooi kook kooo o-eo occc occi oce ocee ocef ocke oec- oecc oeec ofek off- offc offe offo ofik oici oick oiii oike oiko okic okie okko okok ooff oooo