c-cd cccc ccdc ccdh ccdr cced ccee cche cchr ccoc ccod ccrc ccre cd-e cd-r cddr cdec cder cdre cec- cece ceco cedd cede cedo ceec ceke ceor cer- cerc cerd cere cero chce chch chec ched chee cheh chek cher choc chod choh chok choo chor chrc chrd chro chrr ckch ckck ckco ckdo cker ckoc ckoo ckor ckrc ckrd coce coch cock coco codd code coed coho cok- coke coko cood cooh cook cor- corc cord core cork coro corr crcc crce crcr crdc cre- crec cred cree creh creo crkc croc crod croe croh crok croo cror dccc dche dcrk dddd ddoc ddrc ddre dec- decc decd dece deck deco dedd dede dedo deed deek deer dek- deke dekh deor der- derc dere derk dero derr dhec dhed dhee dher dhod dhor dkdc doce doch dock doco dod- dodd dode dodo doek doer dohc dohr doke doko dood dook door dorc dord dore dork doro dorr dred dree dreh drek drod droh eccc ecce ecco ecdc eced eche echo ecko eco- ecod ecrc ecrr eddc edde eddo ede- edeh eder edoc edod eede eeee eeke eeoc eerc eero ehcc ehdd eheh eher ehre ekch ekco eked ekek eker ekho eocd eode eore ercc erce erch erde erec ered erer erhc erke eroc erod eroe eroo errc erre erro hccc hcch hcdr hcrd hdoc hdod hech heck hedd hede hedo heed heek heer hehe heho heke heor herc herd here herk hero herr hhhh hkcc hoce hoch hock hocr hode hodh hodk hodr hoed hoek hoer hohe hoho hoke hoko hood hooe hook hoor horc hord hore hork horo horr hrdc hree hrod hrrc kccc kccd kcck kccr kcdc kcdd kcdr kcec kced kcee kceo kche kchh kchk kcho kchr kckc kckk kcko kckr kcoe kcoh kcor kcrc kcrh kcro kcrr kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdkd kdkk kdko kdkr kdoc kdoe kdok kdro kech keck keco kecr kedc kedd kede kedo kedr keed keeh keek keer kehk kehr kekc keke keko keok ker- kerc kere kerk kero kerr khcc khch khck khdc khdk khdr khec khed kher khhk khho khke khkk khkr khoc khoe khok khor khrd khrk khro khrr kkcd kkch kkck kkco kkcr kkdc kkdd kkdo kked kkhh kkhk kkhr kkkk kkoh kkoo kkor kkrc kkre kkrh kkrk kkro kkrr kocd koch kock kode kodk kodo koed kohd kohh koho kohr kokc koke kokh kokk koko kokr kooc kook kooo koor korc kord kore kork koro korr krcc krcd krce krch krco krdc krdd krde krdo krdr krec kred kree kreh krek kreo krhc krkc krkd krke krkh krkk krko krkr kroc krod kroe kroh krok kroo kror krrc krre krrk krro krrr o-eo occc oce oced ocee oche ocke ocre ocro ocrr oddd oded odeo oder odoh odoo odor oec- oecc oedo oeec oere ohcc ohed ohee oher ohho ohoh ohok ohre oked okeh oker okko okok okor okre okro oocr ooer ooho oooh oooo oord oore orce orch orco orde ordo ore- orec ored oreh orek oreo orer orhe orke orko oro- oroe orok oror orro rccc rcdc rcde rcrd rder rdoc recc recd rece rech reck recr redc redd rede redh redo redr reed reek rehe reke reko reod rerd rere rero rhce rhee rheo rhoc rhod rhoh rocc roce roch rock roco rodd rode rodo roed roer rohe rohr roke rokh rokk roko rokr rood rook roor rorc rore rork roro rred rrrr