c-cd cccc cccf ccci ccdc ccdf ccdi ccdr cced ccee ccfc ccfd ccff ccfi ccic ccid ccii ccir ccoc ccod ccrc ccre ccrf ccri cd-e cd-r cddr cdec cdef cder cdfe cdic cdii cdio cdre cec- cece ceci ceco cedd cede cedi cedo ceec cef- cefc ceke ceor cer- cerc cerd cere cerf ceri cero cfcf cfco cffr cfor cfre cicc cici cico cicr cidc cide cidi cidr ciee cier cife ciff ciid ciii ciko cikr cior circ cire ciri cirk ciro cirr ckck ckco ckdo cker ckfi ckfr ckoc ckoi ckoo ckor ckrc ckrd coce cock coco codd code codi coed cofc cofe coff cofi coif coir cok- coke coko cood coof cook cor- corc cord core corf cori cork coro corr crcc crce crcr crdc cre- crec cred cree crei creo crfc cric crie crif crik crkc croc crod croe crok croo cror dccc dcci dcfc dcii dcio dcrk dddd ddie ddoc ddrc ddre dec- decc decd dece deci deck deco dedd dede dedi dedo deed deef deek deer defe deff defi defo deid deie deif deir dek- deke deor der- derc dere derf deri derk dero derr dfcc dfco dfer dfoe dfrf dfri dice dici dick dico dide didi dido died dief dier dif- diff diii dike diki diko dioc dior dird dire dirk dirr dkdc dkid doce doci dock doco dod- dodd dode dodi dodo doek doer doff doid doke doki doko dood doof dook door dorc dord dore dorf dori dork doro dorr dred dree dref drei drek drfc dric drie drif drod drof eccc ecce ecci ecco ecdc ecdf eced ecef ecfc ecfr ecko eco- ecod ecrc ecrf ecri ecrr eddc edde eddi eddo ede- edei eder edie edif edik edoc edod eede eeee eefe eeke eeoc eerc eero efco efeo effi efic efik efke efor eick eico eid- eide eidi eido eidr eiec eied eiei eier eike eiki eiko eird eire ekco eked ekek eker ekfc ekki ekoi eocd eode eoir eore eori ercc erce erde erdf erdi erec ered erei erer erfc eric erie erik erio erke erki eroc erod eroe eroi eroo errc erre erro f--k fccf fcic fcii fdic fdoc fece feck fede fedi feed feek feer fefc fefe feff fefi fefo feid feie feio feir feke feko feod feof ferc ferd fere ferk fero ferr ffcc ffee ffff ffii ffrr ficc fice fick fico fidc fide fidf fido fiec fief fier fifc fife fiff fifi fifo fiii fike fiki fioe fior fire firk foce foci fock foco fode foed foer fofo foid foie foke foki food foof fook for- ford fore fori fork foro forr frcc fred free frei freo frfc fric frid frie frik frio froe iccc iccf icci icco iccr icdc icdd icde icec iced icee icef icer icke icoc icod icor icrc icre icrf icrr idce idcr iddo idec ided idee idef ideo ider idfc idic idid idie idio idir idoc idrc idre idrf idro iecc iedr ieie ieio iere ieri ifcd ifco ifer ific ifid ifor ifrf ifri iicd iide iied iiie iiii iiio iioi iioo iirc ikee iker ikid ikki ikko ikoo ikri ioci iod- iodd iode iodo ioee iofc ioii ioio ioke ioko ioof iooi iooo iore iori ircc ircd irdc irdo ired iree irer irfe iri- iric irid irie irio irki iroc irod irrc irre irri k-ci k-id kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcec kced kcee kcei kceo kcfc kcfd kcfi kcfo kcic kcid kcie kcif kcii kcir kckc kckf kckk kcko kckr kcoe kcof kcor kcrc kcri kcro kcrr kdcc kdcd kdce kdco kdcr kddc kddd kddf kddi kddk kddr kdec kdef kdei kdfc kdfi kdfo kdfr kdic kdio kdkd kdkk kdko kdkr kdoc kdoe kdok kdrf kdri kdro keck keco kecr kedc kedd kede kedi kedo kedr keed keef keek keer kefc keff kefr keid keif keii keik keio keir kekc keke keki keko keok ker- kerc kere kerf keri kerk kero kerr kfcd kfcf kfco kfcr kfed kfer kfff kffk kfio kfir kfok kfoo kfor kfrc kfrd kfre kfri kfro kfrr kicc kicd kice kick kicr kidd kide kidi kidk kido kidr kief kier kife kiff kifr kiic kiid kiii kiik kikc kikd kikf kiki kikk kiko kikr kioc kiod kioe kioi kiok kioo kirc kirf kiri kirk kiro kirr kkcd kkci kkck kkco kkcr kkdc kkdd kkdo kked kkfi kkfr kkic kkid kkik kkkk kkoo kkor kkrc kkre kkrf kkrk kkro kkrr kocd kocf koci kock kode kodi kodk kodo koed koei kofc kofe koff kofi kofk kofo koii koir kokc koke kokf koki kokk koko kokr kooc kooi kook kooo koor korc kord kore korf kori kork koro korr krcc krcd krce krci krco krdc krdd krde krdo krdr krec kred kree kref krei krek kreo krfc krfd krfe krff krfo krid krik krio krkc krkd krke krki krkk krko krkr kroc krod kroe krof kroi krok kroo kror krrc krre krrf krri krrk krro krrr o-eo occc occi oce oced ocee ocef ocke ocre ocro ocrr odci oddd oddi oded odei odeo oder odic odie odio odir odoo odor oec- oecc oedo oeec oeid oere ofcr ofdr ofek ofer off- offc offe offo offr ofid ofik ofor ofre oici oick oido oier oiii oike oiko oire oked oker okic okie okir okko okok okor okre okro oocr oodi ooer ooff ooid oooo oord oore orce orci orco orde ordo ore- orec ored orek oreo orer orfe orff orfi ori- oric orid orie orif orio orke orko oro- oroe orof orok oror orri orro rccc rcdc rcde rcfc rcic rcid rcrd rder rdio rdoc recc recd rece reci reck recr redc redd rede redi redo redr reed reef reek refd refe reff refi refr reid reif reii reik reir reke reki reko reod reof rerd rere reri rero rfdi rfef rffc rfic rfid ricc rice rick rico ridc ridd ride ridi rido ried rief riek rier rife riff riif rike riki rikk rire riri rkkf rocc roce rock roco rodd rode rodi rodo