a-ak a-do a-ok aaaa aaac aaad aaar aaca aacc aacd aack aaco aacr aada aadc aaka aaoo aara aarc aard aaro acaa acac acad acag acar acca accc accd acco acda acdc acga acgr ackd acoa acod acog acor acr- acra acrc acro acrr adaa adac adad adag adak adao adar adcc adda addc addd addo addr adoc adod adog adok adoo ador adra adro ag-o agac agad agag agao agar agca agcc agco agda agga agod agog agoo agra agro akaa akao akar akca akka akko akok akr- akra aoca aora arac arad arag arak arar arc- arca arco arda ardc ardo arga argo arka arko aroa arod aroo aror arr- arra arrc arrg arrk arro arrr c-cd caaa caac cac- caca cacc cack caco cacr cada cadc cadd cado cadr caga cagg cago cagr caka caod caor cara carc card cark caro carr ccaa ccac ccad ccag ccar ccca cccc ccdc ccdr ccga ccgc ccoc ccod ccra ccrc ccrg cd-r cdaa cdac cdad cdda cddr cgac cgcc cgcg cgro ckac ckck ckco ckdo ckga ckgo ckoa ckoc ckoo ckor ckrc ckrd coad coag coak coca cock coco coda codd cogo cok- coka coko cood cook cor- cora corc cord corg cork coro corr crac crag crar crca crcc crcr crda crdc crkc croc crod crok croo cror daad daag daar daca dada dado daga dagg dago dagr daka dako dara darc dard darg dark daro darr dcca dccc dcgo dcra dcrk dddd ddoc ddrc dgac dgca dgka dgkd dgkg dkdc doak doar doca dock doco dod- doda dodd dodg dodo dog- doga dogg dogo doka doko dood dook door dora dorc dord dork doro dorr draa drac drad drag drak drar drca drda drod drog drra gaar gack gada gadd gadk gado gaga gagg gago gara gard garg garo garr gc-c gcaa gccc gcda gcoa gcrg gdca gdor gdrc gggg goad goar goca gocr goda godo goga gogo good goog gook goor gora gord gorg goro gorr grac grad grcc grdc groc grod grog grok groo gror grrr kaaa kaag kaak kaar kacc kacd kaco kad- kada kadd kado kadr kag- kaga kagc kagg kago kagr kaka kakc kakk kako kaoa kaoc kaog kaok kaor kara kard karg kark karo karr kcaa kcac kcad kcar kcca kccc kccd kcck kccr kcda kcdc kcdd kcdr kcgc kcgr kckc kckk kcko kckr kcog kcor kcrc kcrg kcro kcrr kdaa kdac kdad kdag kdak kdao kdar kdca kdcc kdcd kdco kdcr kddc kddd kddg kddk kddr kdgo kdka kdkd kdkk kdko kdkr kdoc kdog kdok kdro kgac kgak kgcc kgcd kgcr kgdc kgdd kgga kggg kggo kggr kgor kgra kgrc kgrd kgrg kgrk kgro kgrr kkaa kkac kkag kkar kkcd kkck kkco kkcr kkda kkdc kkdd kkdg kkdo kkgo kkgr kkkk kkoa kkoo kkor kkrc kkrk kkro kkrr koac koak koar koca kocd kock koda kodk kodo koga kogd kogg kogo koka kokc kokk koko kokr kooc koog kook kooo koor kora korc kord korg kork koro korr krac krad krag krak krar krca krcc krcd krcg krco krda krdc krdd krdg krdo krdr krka krkc krkd krkk krko krkr kroa kroc krod krog krok kroo kror krrc krrg krrk krro krrr oara ocac ocad ocak occa occc ocga ocra ocro ocrr odac odda oddd odoo odor odra ogar ogdc ogoa ogod ogog ogra ogro okak okgo okka okko okok okor okra okro ooaa ooak oocr ooda oooo oora oord orac orad orak orao orar orca orco orda ordo orga orgo orka orko oro- orok oror orra orro raad raag raak rac- raca racc rack raco rada radc radd rado radr raga ragg rago raka rakk raoc raok rara rark raro rcac rccc rcdc rcga rcgc rcrd rcrg rdac rdoc road roag roak roar roca rocc rock roco roda rodd rodo roga rogg rogo roka rokk roko rokr rood roog rook roor rora rorc rork roro rrad rrrr