a-ak aaaa aaac aaad aaar aaca aacc aacd aack aacr aacu aada aadc aadu aaka aaku aara aarc aard aaru acaa acac acad acar acca accc accd accu acda acdc ackd acr- acra acrc acrr acu- acur adaa adac adad adak adar adcc adda addc addd addr addu adra adua aduk adur akaa akar akca akka akku akr- akra akua arac arad arak arar arau arc- arca arda ardc ardu arka arr- arra arrc arrk arrr arru arua arud auaa auca audc aur- aura aurd c-cd caaa caac cac- caca cacc cack cacr cada cadc cadd cadr cadu caka cara carc card cark carr cauc cauk ccaa ccac ccad ccar ccca cccc cccu ccdc ccdr ccra ccrc ccuc cd-r cdaa cdac cdad cdda cddr ckac ckck ckdu ckrc ckrd crac crar crau crca crcc crcr crda crdc crkc crud cruk cuau cuca cucc cuck cuda cuk- cuka cura curd curr daad daar daau daca dada dadu daka daku dara darc dard dark darr daru daud dauk daur dcca dccc dccu dcra dcrk dddd ddrc dkdc draa drac drad drak drar drau drca drda drra drua druk druu duaa duad duar duca duck duda dudd dudu duka duku dura durk duru duur kaaa kaak kaar kacc kacd kacu kad- kada kadd kadr kadu kaka kakc kakk kaku kara kard kark karr karu kau- kauc kaud kauk kaur kcaa kcac kcad kcar kcau kcca kccc kccd kcck kccr kccu kcda kcdc kcdd kcdr kcdu kckc kckk kckr kcrc kcrr kcru kcua kcuk kdaa kdac kdad kdak kdar kdca kdcc kdcd kdcr kddc kddd kddk kddr kdka kdkd kdkk kdkr kduc kdur kkaa kkac kkar kkcd kkck kkcr kkda kkdc kkdd kkkk kkrc kkrk kkrr kkua kkuu krac krad krak krar krca krcc krcd krcu krda krdc krdd krdr krdu krka krkc krkd krkk krkr krku krrc krrk krrr krua kruc kruk krur kuac kuar kuau kuca kucc kucd kucr kuda kudd kudu kuka kukk kuku kura kurd kurk kurr kuru kuuk kuur kuuu raad raak rac- raca racc rack racu rada radc radd radr radu raka rakk raku rara rark raua rauc raud rauk rcac rccc rcdc rcrd rdac rrad rrrr ruad ruca ruck ruda rudd ruka rukk ruku rura rurc rurd ruru ruud uaca uarc uaru uaua ucad ucak ucar ucca ucdc ucdd ucka ucrc ucua udaa udad udar udau udca udra uduk ukcc ukra ukrc ukur urac urad urau urca urda urdu urka urra uruk urur uuuu