a-ak a-do a-ok aaaa aaac aaad aaae aaar aaca aacc aacd aace aack aaco aacr aada aadc aade aaea aaec aaka aake aaoe aaoo aara aarc aard aare aaro acaa acac acad acae acar acca accc accd acce acco acda acdc acde ace- acea acec aced acek acer ackd acke acoa acod acoe acor acr- acra acrc acre acro acrr adaa adac adad adae adak adao adar adcc adda addc addd adde addo addr adea adee adeo ader adoc adod adoe adok adoo ador adra adre adro aeac aede aeer aeka aer- aera aerc aerd aero akaa akae akao akar akca aked akee aker akka akko akok akr- akra akre aoca aoce aora arac arad arae arak arar arc- arca arce arco arda ardc arde ardo area arec ared aree arek areo arka arke arko aroa arod aroe aroo aror arr- arra arrc arre arrk arro arrr c-cd caaa caac cac- caca cacc cace cack caco cacr cada cadc cadd cade cado cadr caec caer caka cake caod caor cara carc card care cark caro carr ccaa ccac ccad ccar ccca cccc ccdc ccdr cced ccee ccoc ccod ccra ccrc ccre cd-e cd-r cdaa cdac cdad cdda cddr cdec cder cdre ceac cead cear cec- ceca cece ceco ceda cedd cede cedo ceec ceke ceor cer- cera cerc cerd cere cero ckac ckck ckco ckdo cker ckoa ckoc ckoo ckor ckrc ckrd coad coak coca coce cock coco coda codd code coed cok- coka coke coko cood cook cor- cora corc cord core cork coro corr crac crar crca crcc crce crcr crda crdc cre- crea crec cred cree creo crkc croc crod croe crok croo cror daad daae daar daca dace dada dade dado daer daka dake dako dara darc dard dare dark daro darr dcca dccc dcra dcrk dddd ddoc ddrc ddre deac dead deae deak dear dec- deca decc decd dece deck deco deda dedd dede dedo deed deek deer dek- deka deke deor der- dera derc dere derk dero derr dkdc doae doak doar doca doce dock doco dod- doda dodd dode dodo doea doek doer doka doke doko dood dook door dora dorc dord dore dork doro dorr draa drac drad drak drar drca drda drea dred dree drek drod drra eaca eacc eada eadd eaec eara eard eare earo ecaa ecac ecad ecao ecar ecca eccc ecce ecco ecdc eced ecka ecko eco- ecod ecra ecrc ecrr edac edad edar edca edda eddc edde eddo ede- edea eder edoc edod edra eeca eede eeea eeee eeka eeke eeoc eera eerc eero eka- ekco eked ekek eker ekka ekoa eocd eode eoka eora eore erad erca ercc erce erda erde erec ered erer erke eroc erod eroe eroo erra errc erre erro kaaa kaak kaar kacc kacd kace kaco kad- kada kadd kade kado kadr kaeo kaer kaka kakc kake kakk kako kaoa kaoc kaok kaor kara kard kare kark karo karr kcaa kcac kcad kcar kcca kccc kccd kcck kccr kcda kcdc kcdd kcdr kcea kcec kced kcee kceo kckc kckk kcko kckr kcoe kcor kcrc kcro kcrr kdaa kdac kdad kdae kdak kdao kdar kdca kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdka kdkd kdkk kdko kdkr kdoc kdoe kdok kdro kea- kead keak kear keca keck keco kecr keda kedc kedd kede kedo kedr keed keek keer keka kekc keke keko keok ker- kera kerc kere kerk kero kerr kkaa kkac kkar kkcd kkck kkco kkcr kkda kkdc kkdd kkdo kkea kked kkkk kkoa kkoo kkor kkrc kkre kkrk kkro kkrr koac koae koak koar koca kocd kock koda kode kodk kodo koea koed koka kokc koke kokk koko kokr kooc kook kooo koor kora korc kord kore kork koro korr krac krad krae krak krar krca krcc krcd krce krco krda krdc krdd krde krdo krdr krea krec kred kree krek kreo krka krkc krkd krke krkk krko krkr kroa kroc krod kroe krok kroo kror krrc krre krrk krro krrr o-eo oade oaer oake oara oare ocac ocad ocak occa occc oce oced ocee ocke ocra ocre ocro ocrr odac odda oddd odea oded odeo oder odoo odor odra oec- oeca oecc oedo oeec oera oere okak oked oker okka okko okok okor okra okre okro ooaa ooak oocr ooda ooer oooo oora oord oore orac orad orae orak orao orar orca orce orco orda orde ordo ore- orea orec ored orek oreo orer orka orke orko oro- oroe orok oror orra orro raad raak rac- raca racc race rack raco rada radc radd rade rado radr raec raed raer raka rake rakk raoc raok rara rare rark raro rcac rccc rcdc rcde rcrd rdac rder rdoc rea- reac read reae reak reao rear reca recc recd rece reck recr reda redc redd rede redo redr reed reek reka reke reko reod rera rerd rere rero road roak roar roca rocc roce rock roco roda rodd rode rodo roea roed roer roka roke rokk roko rokr rood rook roor rora rorc rore rork roro rrad rred rrrr