a-ak a-do a-ok aaaa aaab aaad aaar aaav aaba aabb aabd aada aadu aaka aaku aaoo aara aard aaro aaru aava abaa abab abad abak abar abau abb- abba abbb abbo abbr abda abdo abdu aboa abob abod abok aboo abor abou abov abra abro abua abud abuk abva abvd adaa adab adad adak adao adar adba adda addd addo addr addu adob adod adok adoo ador adra adro adua adub aduk adur advb akaa akao akar akka akko akku akok akr- akra akua aoba aora aorb arab arad arak arar arau arba arda ardo ardu arka arko aroa arob arod aroo aror arr- arra arrk arro arrr arru arua arub arud arva arvo auaa audo aur- aura aurd auro avab avao avar avda avor avou avra avro avur avva avvo baaa baad baak baar baba babb babo babr babu bada badb badd bado badr badu bak- baka bako bakr baku bar- bara barb bard bark baro barr baru bau- baud bauk baur bava bavu bbad bbau bbbb bbdd bbdo bd-r bdav boab boad boak boar boba bobb bobo bobu boda bodb bodo bodu boka boko boku boob bood book boor bor- bora bord bork boro borr boru boua boud bouk bour bova bovo brab brad brak brao brau brav brda brdo brka brkb broa brob brod brok broo bror brou brrr brud bruv buad buar buba bubb bubo bubu buda budb budd budo budu buka bukk buko buku bur- bura burb burd burk buro burr buru buvd bvdu d-bo daab daad daar daau daba dabb dabo dabu dada dado dadu daka dako daku daou dara darb dard dark daro darr daru daub daud dauk daur dava dbar dddd ddub dkba doab doak doar doba dobb dobu dod- doda dodd dodo doka doko doob dood dook door dora dord dork doro dorr doru doub doud douk dour draa drab drad drak drar drau drba drda drob drod drou drra drua drub druk druu druv duaa duab duad duar dub- duba dubb dubu duda dudd dudo dudu duka duku duo- dura durk duro duru duur duva dvar dvda dvdr dvoa dvor dvra kaaa kaab kaak kaar kaba kabb kabd kabo kabr kabu kad- kada kadd kado kadr kadu kadv kaka kakk kako kaku kaoa kaok kaor kara karb kard kark karo karr karu karv kau- kaub kaud kauk kauo kaur kava kavb kavo kavu kavv kbaa kbab kbad kbak kbar kbba kbbb kbbd kbbk kbbo kbbr kbbu kbdb kbdo kbdr kbdv kbkb kbkk kbko kbkr kbkv kboa kbob kbod kbok kboo kbov kbra kbrb kbrd kbrk kbro kbru kbrv kbua kbub kbud kbuk kbur kbuu kbva kbvb kbvo kbvr kbvu kdaa kdab kdad kdak kdao kdar kdav kdbb kdbr kdbv kddb kddd kddk kddr kdka kdkb kdkd kdkk kdko kdkr kdok kdov kdrb kdro kdrv kdub kdur kduv kdva kdvb kdvr kdvv kkaa kkar kkba kkbb kkbd kkbo kkbr kkda kkdd kkdo kkdv kkkk kkoa kkob kkoo kkor kkov kkrb kkrk kkro kkrr kkrv kkua kkuu kkvr kkvu kkvv koab koak koar koba kobb kobk kobo kobr kobu koda kodk kodo kodu kodv koka kokb kokk koko kokr koku koob kook kooo koor koou koov kora korb kord kork koro korr koru korv koua koub kour kouu kova kovk kovo kovr krab krad krak krar krav krba krbb krbd krbk krbr krda krdd krdo krdr krdu krka krkd krkk krko krkr krku krkv kroa krob krod krok kroo kror krov krrb krrk krro krrr krua kruk krur krva krvb krvk krvo krvr krvv kuar kuau kuba kubb kubd kubo kubr kubu kuda kudd kudo kudu kuka kukk kuku kuoa kuok kuoo kura kurb kurd kurk kuro kurr kuru kurv kuub kuuk kuur kuuu kuva kuvo kuvr kvab kvak kvar kvbr kvda kvdu kvoa kvob kvod kvok kvoo kvor kvou kvov kvra kvro kvrr kvrv kvuu kvvr kvvv oaau oara obad obak obba obbo obkb obok obor obra obro odbo odda oddd odoo odor odou odra odur odva okak okka okko okok okor okra okro okur ooaa ooak ooba ooda ooku oooo oora oord orab orad orak orao orar orav orba orbb orbo orbu orda ordo ordu orka orko oro- orok oror orra orro orub orvr ouad our- oura ouro ouu- ovar ovda ovo- ovod ovoo ovra raab raad raak raba rabb rabk rabo rabu rada radd rado radr radu raka rakk raku raob raok rara rarb rark raro raua raub raud rauk rava rbbb rbbr roab road roak roar rob- roba robb robo robu roda rodd rodo roka rokk roko rokr roku roob rood rook roor rora rork roro roru roua roub roud rouk rova rovo rrad rrrr ruad ruba rubb rubu ruda rudd rudo ruka rukk ruku ruok rura rurd ruro ruru ruud ruvu uaru uaua ubar ubba ubbo ubod ubra ubud udaa udad udar udau udoo udra uduk ukba ukko ukok ukra ukur uor- uovo urad urao urau urba urda urdu urka uro- uroa urok uroo urra uruk urur urva uuuu uv-a uv-b uvaa uvda uvok uvrd uvvu vaad vaar vada vado vadu vaka vara vard vark varr varu vaud vava vdub vkor voad voar voda vodo voka voor vor- vora vord voro voru voud vouk vour vovk vrak vrav vrba vruk vuda vudu vuka vuku vurb vvob vvvv