droh drou drue drui druk druu duce duch duck duco dudd dude dudo dudu duer duhe duhr duhu duid duir duke duki duku duo- dure duri durk duro duru duur eccc ecce ecci ecco ecdc eced eche echo ecko eco- ecod ecou ecrc ecri ecrr ecru eddc edde eddi eddo ede- edeh edei eder edhi edie edik edoc edod edou edru educ edur eede eedu eeee eeke eeoc eerc eero ehcc ehdd eheh eher eheu ehre ehud eich eick eico eid- eide eidi eido eidr eidu eiec eied eiei eier eiho eike eiki eiko eiou eird eire ekch ekco eked ekek eker ekho ekki ekoi ekur eocd eode eoir eore eori ercc erce erch erde erdi erec ered erei erer erhc erhu eric erie erih erik erio eriu erke erki eroc erod eroe eroi eroo errc erre erro eruc eruh erur eucd euch eude euer euoi eur- eurc eure euro h-ii hccc hcch hcdr hchi hcrd hdci hdoc hdod hdri hech heck hedd hede hedi hedo heed heek heer hehe heho heic heid heie heih heik heir heke heku heor heou herc herd here heri herk hero herr heru heue heui heuk heur hhhh hi-c hicc hice hich hick hico hide hidi hied hiei hier hieu hihc hihe hihi hiho hiie hiiu hike hiki hiku hioc hird hire hiri hirk hiro hiru hkcc hkir hoce hoch hock hocr hode hodh hodi hodk hodr hoed hoei hoek hoer hohe hoho hoid hoie hoik hoir hoke hoki hoko hoku hood hooe hook hoor horc hord hore hori hork horo horr houd houe houk hour hrdc hree hrid hrod hrrc hrud huch huck hucu hudd hude hudi hudo hudu hued huer huhi huhu huid huie huik huir huke huki huor hurd hure huri hurk huro hurr huru iccc icci icco iccr iccu icdc icdd icde icec iced icee icer ichc ichd iche ichi icho ichr ichu icke icoc icod icor icrc icre icrr icru icue idce idcr iddo idec ided idee ideo ider idic idid idie idio idir idku idoc idrc idre idro iduo iecc iedr ieie ieio ieoh iere ieri ieud ihcc ihdr ihed iher ihrc ihrd ihre ihud ihuo iicd iide iied iiie iiii iiio iioi iioo iirc iiuc ikee iker ikid ikki ikko ikoo ikri ikue ikuo ioci iod- iodd iode iodo ioee ioii ioio ioke ioko iooi iooo iore iori ircc ircd ircu irdc irdo ired iree irer iri- iric irid irie irio irki iroc irod iroh irrc irre irri iucc iuce iuiu k-ci k-id kccc kccd kcci kcck kccr kccu kcdc kcdd kcdi kcdr kcdu kcec kced kcee kcei kceo kceu kche kchh kchi kchk kcho kchr kchu kcic kcid kcie kcii kcir kciu kckc kckk kcko kckr kcoe kcoh kcor kcou kcrc kcrh kcri kcro kcrr kcru kcue kcuh kcui kcuk kdcc kdcd kdce kdco kdcr kddc kddd kddi kddk kddr kdec kdei kdic kdio kdkd kdkk kdko kdkr kdoc kdoe kdok kdri kdro kduc kdur kech keck keco kecr kedc kedd kede kedi kedo kedr keed keeh keek keer kehk kehr keid keii keik keio keir kekc keke keki keko keku keok ker- kerc kere keri kerk kero kerr keru keur khcc khch khck khdc khdk khdr khec khed kher khhk khho khic khid khii khio khke khki khkk khkr khoc khoe khoi khok khor khou khrd khri khrk khro khrr khud khui khuk khur kicc kicd kice kick kicr kidd kide kidi kidk kido kidr kidu kier kieu kihc kihh kihi kihk kiho kihr kihu kiic kiid kiii kiik kiiu kikc kikd kiki kikk kiko kikr kiku kioc kiod kioe kioh kioi kiok kioo kiou kirc kiri kirk kiro kirr kiru kiur kiuu kkcd kkch kkci kkck kkco kkcr kkdc kkdd kkdo kked kkhh kkhi kkhk kkhr kkic kkid kkik kkkk kkoh kkoo kkor kkrc kkre kkrh kkrk kkro kkrr kkuu kocd koch koci kock kode kodi kodk kodo kodu koed koei kohd kohh kohi koho kohr kohu koii koir kokc koke kokh koki kokk koko kokr koku kooc kooi kook kooo koor koou korc kord kore kori kork koro korr koru koue koui kour kouu krcc krcd krce krch krci krco krcu krdc krdd krde krdo krdr krdu krec kred kree kreh krei krek kreo kreu krhc krid krik krio krkc krkd krke krkh krki krkk krko krkr krku kroc krod kroe kroh kroi krok kroo kror krrc krre krri krrk krro krrr kruc krue kruh krui kruk krur kucc kucd kuce kuch kuci kuco kucr kudd kude kudi kudo kudu kued kuei kuek kueu kuhi kuhu kuic kuie kuih kuik kuke kukh kuki kukk kuku kuok kuoo kurd kure kuri kurk kuro kurr kuru kuuk kuur kuuu o-eo occc occi oce oced ocee oche ochi ocke ocre ocro ocrr ocur odci oddd oddi oded odei odeo oder odic odie odio odir odiu odoh odoo odor odou odur oec- oecc oedo oeec oeid oere ohcc ohed ohee oher ohhi ohho ohid ohio ohoh ohok ohre oici oick oido oier oiii oike oiko oire okcu oked okeh oker okic okie okir okko okok okor okre okro okur oocr oodi ooer ooho ooid ooku oooh oooo oord oore orce orch orci orco orde ordo ordu ore- orec ored oreh orek oreo orer orhe ori- oric orid orie orio orke orko oro- oroe orok oror orri orro oucc ouch oudc oude oudh oued ouer ouie ouii ouir our- oure ouro ouu- rccc rcdc rcde rcic rcid rcrd rder rdio rdoc recc recd rece rech reci reck recr recu redc redd rede redh redi redo redr redu reed reek rehe rehi reid reii reik reir reiu reke reki reko reod reou rerd rere reri rero reru reue reuk reuu rhce rhee rheo rhio rhoc rhod rhoh rhue ricc rice rich rick rico ridc ridd ride ridi rido ried riek rier rieu riho rike riki rikk riku riou rire riri riue rocc roce roch rock roco rodd rode rodi rodo roed roer rohe rohr rohu roid roik roio roir roiu roke rokh roki rokk roko rokr roku rood rooi