c-cd cccc cccu ccdc ccdr cced ccee ccoc ccod ccrc ccre ccrt cctc cctt ccuc ccut cd-e cd-r cddr cdec cder cdot cdre cec- cece ceco cect cedd cede cedo cedt cedu ceec ceke ceor ceou cer- cerc cerd cere cero cert cet- cete ceto ckck ckco ckdo ckdu cker ckoc ckoo ckor ckot ckrc ckrd coce cock coco coct cocu codd code coed cok- coke coko cood cook coot cor- corc cord core cork coro corr cort cotc cote coto cott cotu coud coue couk cour cout crcc crce crcr crdc cre- crec cred cree creo cret creu crkc croc crod croe crok croo cror crot crrt crtc crud crue cruk crut ctec ctor ctot ctrc cucc cuce cuck cude cued cuek cuer cuk- cuke curd cure curo curr curt cut- cutc cute cuto cutt dccc dcct dccu dcrk dctc dddd ddoc ddot ddrc ddre dec- decc decd dece deck deco dect dedd dede dedo dedu deed deek deer deet dek- deke deor der- derc dere derk dero derr dete detk deto detr deue deuk deur deut dkdc doce dock doco doct docu dod- dodd dode dodo doek doer doke doko dood dook door doot dorc dord dore dork doro dorr dort doru dotd dote dotk doto dott douc doud doue douk dour dout dred dree drek dret drod drot drou drue druk drut druu dtcc dted dtek dtor dtot duce duck duco duct dudd dude dudo dudu duer duet duke dukt duku duo- dure durk duro durt duru dute duur duut eccc ecce ecco ecct ecdc eced ecko eco- ecod ecot ecou ecrc ecrr ecru ect- ectc ecto eddc edde eddo ede- eder edoc edod edou edru educ edur eede eedu eeee eeke eeoc eerc eero eetc eete eetu ekco eked ekek eker eket ekur eocd eode eore eotc eotd eoto ercc erce erde erec ered erer eret erke eroc erod eroe eroo errc erre erro ertu eruc erur etcc etco etec etee eter etoe etok etre etro ette etto ettu eucd eude euer eur- eurc eure euro eurt kccc kccd kcck kccr kcct kccu kcdc kcdd kcdr kcdu kcec kced kcee kceo kcet kceu kckc kckk kcko kckr kcoe kcor kcot kcou kcrc kcro kcrr kcrt kcru kctc kcte kcto kctu kcue kcuk kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdet kdkd kdkk kdko kdkr kdkt kdoc kdoe kdok kdot kdro kdtd kdtr kduc kdur kdut keck keco kecr kedc kedd kede kedo kedr kedt keed keek keer keet kekc keke keko keku keok ker- kerc kere kerk kero kerr kert keru ket- ketc ketd kete ketk keto ketr kett ketu keur kkcd kkck kkco kkcr kkct kkdc kkdd kkdo kkdt kked kkkk kkoo kkor kkot kkrc kkre kkrk kkro kkrr kkrt kktc kktk kktu kkut kkuu kocd kock koct kode kodk kodo kodt kodu koed kokc koke kokk koko kokr koku kooc kook kooo koor koot koou korc kord kore kork koro korr kort koru kotc kotd kote kotk koto kotr kott kotu koue kour kout kouu krcc krcd krce krco krcu krdc krdd krde krdo krdr krdu krec kred kree krek kreo kret kreu krkc krkd krke krkk krko krkr krku kroc krod kroe krok kroo kror krrc krre krrk krro krrr krrt krtc krtk krto krtr kruc krue kruk krur ktcc ktce ktck ktco ktcr ktdc ktdd ktde ktdk ktdo ktdr ktec kted ktee ktek ktkc ktke ktkk ktko ktkr ktkt ktku ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktrk ktro ktrr ktrt ktru kttc kttk ktto kttr kttt kttu ktuc kucc kucd kuce kuco kucr kudd kude kudo kudu kued kuek kueu kuke kukk kuku kuok kuoo kurd kure kurk kuro kurr kurt kuru kute kuto kutr kutt kutu kuuk kuur kuuu o-eo occc occt oce oced ocee ocet ocke ocre ocro ocrr oct- octe octo ocur oddd oded odeo oder odet odoo odor odot odou odtu odur oec- oecc oedo oeec oere okcu oked oker oket okko okok okor okot okre okro okto okur oocr ooer ooku oooo oord oore oort orce orco orde ordo ordu ore- orec ored orek oreo orer orke orko oro- oroe orok oror orot orro ortc orte orto otcd oted otee oter oto- otoe otok otoo otor otre otro otte otto ottu otur oucc oudc oude oued ouer our- oure ouro ourt out- oute outo ouu- rccc rcdc rcde rcet rcrd rctc rder rdoc recc recd rece reck recr rect recu redc redd rede redo redr redu reed reek reet reke reko rekt reod reot reou rerd rere rero rert reru retd rete reto retr rett reue reuk reut reuu rocc roce rock roco rodd rode rodo roed roer roet roke rokk roko rokr roku rood rook roor root rorc rore rork roro rort roru rotc rote rotk roto rotr rott roud roue rouk rout rred rrrr rtcc rtce rtdt rtee ruce ruck ruct rudd rude rudo rued ruer ruet ruke rukk ruku ruok rurc rurd rure ruro ruru rute ruto rutt rutu ruud tccc tccu tcdd tctc tdkr tdor teck teco tecr tect tedd tede tedk teec teed teek teer teet teke teok teor ter- terc tere terk tero terr teru tete teto tetr tett tetu teuk teut tkod toce tock toco todd tode todo todt todu toed toee toek toer toet toke toko toku tood took toor toot torc tord tore tork toro torr tort toru totc totd tote toto totr tott touk tour tout trcc tre- trec tred tree trek treo tret treu troc trod troe troo trot trou trtc trte trtr truc trud true truk trut truu tteo tter ttoe tttt tucc tuck tuco tude tudu tuer tuet tuke tuko tuor turc turd ture turk turo turr turt turu tute tuto tutt tutu tuuo ucdc ucdd ucrc ucut uder udet udoo udot uduk ukcc ukek ukeu ukko ukok ukrc ukur uocc uoke uor- uore urde urdu ure- ured uret urke uro- urok uroo urre urte uruk urur urut utec uter utor utto uttu uuoc uuuu