c-cd cccc cccf ccdc ccdf ccdh ccdr cced ccee ccfc ccfd ccff cche cchr ccoc ccod ccrc ccre ccrf cd-e cd-r cddr cdec cdef cder cdfe cdre cec- cece ceco cedd cede cedo ceec cef- cefc ceke ceor cer- cerc cerd cere cerf cero cfcf cfco cffr cfhk cfor cfre chce chch chec ched chee chef cheh chek cher chfc chfr choc chod choh chok choo chor chrc chrd chrf chro chrr ckch ckck ckco ckdo cker ckfr ckoc ckoo ckor ckrc ckrd coce coch cock coco codd code coed cofc cofe coff coho cok- coke coko cood coof cooh cook cor- corc cord core corf cork coro corr crcc crce crcr crdc cre- crec cred cree creh creo crfc crkc croc crod croe croh crok croo cror dccc dcfc dche dcrk dddd ddoc ddrc ddre dec- decc decd dece deck deco dedd dede dedo deed deef deek deer defe deff defo dek- deke dekh deor der- derc dere derf derk dero derr dfcc dfco dfer dfoe dfrf dhec dhed dhee dher dhfc dhod dhor dkdc doce doch dock doco dod- dodd dode dodo doek doer doff dohc dohr doke doko dood doof dook door dorc dord dore dorf dork doro dorr dred dree dref dreh drek drfc drod drof droh eccc ecce ecco ecdc ecdf eced ecef ecfc ecfr eche echo ecko eco- ecod ecrc ecrf ecrr eddc edde eddo ede- edeh eder edoc edod eede eeee eefe eeke eeoc eerc eero efco efeo efke efor ehcc ehdd eheh eher ehre ekch ekco eked ekek eker ekfc ekho eocd eode eore ercc erce erch erde erdf erec ered erer erfc erhc erke eroc erod eroe eroo errc erre erro f--k fccf fcch fdoc fece fech feck fede feed feek feer fefc fefe feff fefo fehd fehr feke feko feod feof feoh ferc ferd fere ferk fero ferr ffcc ffee ffff ffrr foce foch fock foco fode foed foer fofo fohr foke food foof fook for- ford fore fork foro forr frcc fred free freo frfc froe froh hccc hcch hcdr hcfc hcrd hdfc hdkf hdoc hdod hech heck hedd hede hedo heed heef heek heer hefd hefe hehe heho heke heor herc herd here herk hero herr hfce hhhh hhof hkcc hkdf hoce hoch hock hocr hode hodh hodk hodr hoed hoek hoer hofe hoff hohe hoho hoke hoko hood hooe hoof hook hoor horc hord hore hork horo horr hrdc hree hrfc hrod hrrc kccc kccd kcck kccr kcdc kcdd kcdr kcec kced kcee kceo kcfc kcfd kcfh kcfo kche kchf kchh kchk kcho kchr kckc kckf kckk kcko kckr kcoe kcof kcoh kcor kcrc kcrh kcro kcrr kdcc kdcd kdce kdco kdcr kddc kddd kddf kddk kddr kdec kdef kdfc kdfo kdfr kdkd kdkk kdko kdkr kdoc kdoe kdok kdrf kdro kech keck keco kecr kedc kedd kede kedo kedr keed keef keeh keek keer kefc keff kefh kefr kehk kehr kekc keke keko keok ker- kerc kere kerf kerk kero kerr kfcd kfcf kfch kfco kfcr kfed kfer kfff kffk kfhc kfok kfoo kfor kfrc kfrd kfre kfrh kfro kfrr khcc khcf khch khck khdc khdk khdr khec khed kher khfd khfr khhk khho khke khkk khkr khoc khoe khok khor khrd khrk khro khrr kkcd kkch kkck kkco kkcr kkdc kkdd kkdo kked kkfr kkhh kkhk kkhr kkkk kkoh kkoo kkor kkrc kkre kkrf kkrh kkrk kkro kkrr kocd kocf koch kock kode kodk kodo koed kofc kofe koff kofh kofk kofo kohd kohh koho kohr kokc koke kokf kokh kokk koko kokr kooc kook kooo koor korc kord kore korf kork koro korr krcc krcd krce krch krco krdc krdd krde krdo krdr krec kred kree kref kreh krek kreo krfc krfd krfe krff krfo krhc krkc krkd krke krkh krkk krko krkr kroc krod kroe krof kroh krok kroo kror krrc krre krrf krrk krro krrr o-eo occc oce oced ocee ocef oche ocke ocre ocro ocrr oddd oded odeo oder odoh odoo odor oec- oecc oedo oeec oere ofcr ofdr ofek ofer off- offc offe offh offo offr ofor ofre ohcc ohed ohee oher ohho ohoh ohok ohre oked okeh oker okko okok okor okre okro oocr ooer ooff ooho oooh oooo oord oore orce orch orco orde ordo ore- orec ored oreh orek oreo orer orfe orff orhe orke orko oro- oroe orof orok oror orro rccc rcdc rcde rcfc rcrd rder rdoc recc recd rece rech reck recr redc redd rede redh redo redr reed reef reek refd refe reff refr rehe reke reko reod reof rerd rere rero rfef rffc rhce rhee rheo rhoc rhod rhoh rkkf rocc roce roch rock roco rodd rode rodo roed roer rofc rofe roff rofo rohe rohr roke rokh rokk roko rokr rood roof rook roor rorc rore rork roro rred rrfc rrrr