a-ak a-be aaaa aaab aaac aaad aaae aaar aaba aabb aabc aabd aaca aacb aacc aacd aace aack aacr aacu aada aadc aade aadu aaea aaec aaka aake aaku aara aarc aard aare aaru abaa abab abac abad abae abak abar abau abb- abba abbb abbe abbr abca abcb abcc abcd abcr abda abdu abec abed abee aber abra abrc abua abud abue abuk acaa acab acac acad acae acar acba acca accc accd acce accu acda acdb acdc acde ace- acea acec aced acek acer ackd acke acr- acra acrc acre acrr acu- acue acur adaa adab adac adad adae adak adar adba adbc adcc adda addc addd adde addr addu adea adeb adee ader adra adre adua adub adue aduk adur aeac aecb aede aeer aeka aer- aera aerc aerd akaa akae akar akca aked akee aker akeu akka akku akr- akra akre akua arab arac arad arae arak arar arau arba arbe arc- arca arce arda ardc arde ardu area arec ared aree arek areu arka arke arr- arra arrc arre arrk arrr arru arua arub arud arue auaa aube auca auce audc aude auer auke aur- aura aurd aure baaa baad baak baar baba babb babe babr babu bac- baca bacc bace back bada badb badd bade badr badu baed baek baer bak- baka bake bakr baku bar- bara barb barc bard bare bark barr baru bau- baud bauk baur bbad bbau bbbb bbdd bbeb bbrc bcaa bcar bcbc bcca bccc bcda bcde bcec bcer bcra bcru bcuc bd-r bdbc bddc bead beak bear beau beba bebb bebe beca beck becu beda bede bedu beeb beed beek beer beka beke bera berc berd bere berk berr beru beuk beur brab brac brad brae brak brau brca brcb brce brda brea breb brec bred bree brek brer brka brkb brrr bruc brud brue buad buar buba bubb bube bubu buca bucc buce buck bucu buda budb budd bude budu buea buer bueu buka buke bukk buku bur- bura burb burd bure burk burr buru c-cd caaa caab caac caba cabe cabu cac- caca cacc cace cack cacr cada cadc cadd cade cadr cadu caec caer caeu caka cake cara carb carc card care cark carr cauc cauk cbac cbar cbbc cbca cbcc cbce cbcr cbcu cbdb cbdc cbea cbec cbee cber cbka cbkr cbrd cbre ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc cccu ccdc ccdr cced ccee ccra ccrc ccre ccuc cd-e cd-r cdaa cdac cdad cdba cdda cddb cddr cdec cder cdre ceac cead cear ceba cebu cec- ceca cece ceda cedd cede cedu ceeb ceec ceke cer- cera cerc cerd cere ckac ckbc ckbe ckck ckdu cker ckrc ckrd crab crac crar crau crbc crbu crca crcc crce crcr crda crdc cre- crea creb crec cred cree creu crkc crub crud crue cruk cuau cub- cuba cubb cube cuca cucc cuce cuck cuda cude cued cuek cuer cuk- cuka cuke cura curb curd cure curr daab daad daae daar daau daba dabb dabu daca dace dada dade dadu daeb daer daeu daka dake daku dara darb darc dard dare dark darr daru daub daud daue dauk daur dbar dbcc dcbc dcca dccb dccc dccu dcdb dcra dcrk dddd ddrc ddre ddub deac dead deae deak dear deau deba debe debu dec- deca decc decd dece deck deda dedd dede dedu deeb deed deek deer dek- deka deke der- dera derb derc dere derk derr deua deue deuk deur dkba dkdc draa drab drac drad drak drar drau drba drbc drca drda drea dred dree drek drra drua drub drue druk druu duaa duab duad duar dub- duba dubb dubc dube dubu duca duce duck duda dudd dude dudu duer duka duke duku dura dure durk duru duur eaba eaca eacc eada eadb eadd eaec eara earb eard eare ebac ebba ebbc ebbr ebcc ebed eber ebru ebur ecaa ecac ecad ecar ecbc ecbe ecca eccb eccc ecce ecdc eced ecka ecra ecrc ecrr ecru ecua edac edad edar edca edda eddc edde ede- edea eder edra edru educ edur eeca eede eedu eeea eeee eeka eeke eera eerc eka- ekab ekeb eked ekek eker ekka ekur erad erau erba erbb erbe erca ercc erce erda erde ereb erec ered erer erke erra errc erre erua erub eruc erur euba eubc eucd eude euer eur- eura eurc eure kaaa kaab kaak kaar kaba kabb kabc kabd kabe kabr kabu kacb kacc kacd kace kacu kad- kada kadd kade kadr kadu kaer kaka kakc kake kakk kaku kara karb kard kare kark karr karu kau- kaub kauc kaud kaue kauk kaur kbaa kbab kbac kbad kbae kbak kbar kbba kbbb kbbc kbbd kbbe kbbk kbbr kbbu kbca kbcb kbce kbck kbcr kbcu kbdb kbde kbdr kbeb kbec kbed kbee kbek kber kbkb kbkk kbkr kbra kbrb kbrc kbrd kbre kbrk kbru kbua kbub kbuc kbud kbue kbuk kbur kbuu kcaa kcab kcac kcad kcar kcau kcba kcbc kcbd kcbk kcbr kcbu kcca kccb kccc kccd kcck kccr kccu kcda kcdc kcdd kcdr kcdu kcea kceb kcec kced kcee kceu kckc kckk kckr kcrc kcrr kcru kcua kcub kcue kcuk kdaa kdab kdac kdad kdae kdak kdar kdbb kdbr kdca kdcc kdcd kdce kdcr kddb kddc kddd kddk kddr kdeb kdec kdka kdkb kdkd kdkk kdkr kdrb kdub kduc kdur kea- kead keak kear keau keba kebb kebc kebe kebr kebu keca keck kecr keda kedb kedc kedd kede kedr keed keek keer keka kekb kekc keke keku ker- kera kerb kerc kere kerk kerr keru keur kkaa kkac kkar kkba kkbb kkbd kkbe kkbr kkcb kkcd kkck kkcr kkda kkdc kkdd kkea kked kkkk kkrb kkrc kkre kkrk kkrr kkua kkuu krab krac krad krae krak krar krba krbb krbd krbe krbk krbr krca krcb krcc krcd krce krcu krda krdc krdd krde krdr krdu krea kreb krec kred kree krek kreu krka krkc krkd krke krkk krkr krku krrb krrc krre krrk krrr krua kruc krue kruk krur kuac kuar kuau kuba kubb