a-ak a-be a-do a-ok aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aadu aaea aaka aake aaku aaoe aaoo aara aard aare aaro aaru abaa abab abad abae abak abar abau abb- abba abbb abbe abbo abbr abda abdo abdu abed abee aber aboa abob abod abok aboo abor abou abra abro abua abud abue abuk adaa adab adad adae adak adao adar adba adda addd adde addo addr addu adea adeb adee adeo ader adob adod adoe adok adoo ador adra adre adro adua adub adue aduk adur aede aeer aeka aer- aera aerd aero akaa akae akao akar aked akee aker akeu akka akko akku akok akr- akra akre akua aoba aoeu aora aorb arab arad arae arak arar arau arba arbe arda arde ardo ardu area ared aree arek areo areu arka arke arko aroa arob arod aroe aroo aror arr- arra arre arrk arro arrr arru arua arub arud arue auaa aube aude audo auer auke aur- aura aurd aure auro baaa baad baak baar baba babb babe babo babr babu bada badb badd bade bado badr badu baed baek baer bak- baka bake bako bakr baku bar- bara barb bard bare bark baro barr baru bau- baud bauk baur bbad bbau bbbb bbdd bbdo bbeb bd-r bead beak bear beau beba bebb bebe bebo beda bede bedo bedu beeb beed beek beer beka beke beko beo- beod beok beor bera berd bere berk bero berr beru beuk beur boab boad boak boar boba bobb bobe bobo bobu boda bodb bode bodo bodu boea boee boeo boer boka boke boko boku boob bood booe book boor bor- bora bord bore bork boro borr boru boua boud boue bouk bour brab brad brae brak brao brau brda brdo brea breb bred bree brek breo brer brka brkb broa brob brod broe brok broo bror brou brrr brud brue buad buar buba bubb bube bubo bubu buda budb budd bude budo budu buea buer bueu buka buke bukk buko buku bur- bura burb burd bure burk buro burr buru d-bo daab daad daae daar daau daba dabb dabo dabu dada dade dado dadu daeb daer daeu daka dake dako daku daou dara darb dard dare dark daro darr daru daub daud daue dauk daur dbar dddd ddre ddub dead deae deak dear deau deba debe debu deda dedd dede dedo dedu deeb deed deek deer dek- deka deke deor der- dera derb dere derk dero derr deua deue deuk deur dkba doab doae doak doar doba dobb dobe dobu dod- doda dodd dode dodo doea doek doer doka doke doko doob dood dook door dora dord dore dork doro dorr doru doub doud doue douk dour draa drab drad drak drar drau drba drda drea dred dree drek drob drod drou drra drua drub drue druk druu duaa duab duad duar dub- duba dubb dube dubu duda dudd dude dudo dudu duer duka duke duku duo- dura dure durk duro duru duur eaba eada eadb eadd eara earb eard eare earo ebba ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edad edar edda edde eddo ede- edea eder edod edou edra edru edur eede eedu eeea eeee eeka eeke eera eero eka- ekab ekeb eked ekek eker ekka ekoa ekur eode eoka eora eore erad erau erba erbb erbe erda erde ereb ered erer erke erob erod eroe eroo erra erre erro erua erub erur euba eude euer eur- eura eure euro kaaa kaab kaak kaar kaba kabb kabd kabe kabo kabr kabu kad- kada kadd kade kado kadr kadu kaeo kaer kaka kake kakk kako kaku kaoa kaok kaor kara karb kard kare kark karo karr karu kau- kaub kaud kaue kauk kauo kaur kbaa kbab kbad kbae kbak kbar kbba kbbb kbbd kbbe kbbk kbbo kbbr kbbu kbdb kbde kbdo kbdr kbeb kbed kbee kbek kbeo kber kbkb kbkk kbko kbkr kboa kbob kbod kboe kbok kboo kbra kbrb kbrd kbre kbrk kbro kbru kbua kbub kbud kbue kbuk kbur kbuu kdaa kdab kdad kdae kdak kdao kdar kdbb kdbr kddb kddd kddk kddr kdeb kdka kdkb kdkd kdkk kdko kdkr kdoe kdok kdrb kdro kdub kdur kea- kead keak kear keau keba kebb kebe kebr kebu keda kedb kedd kede kedo kedr keed keek keer keka kekb keke keko keku keok ker- kera kerb kere kerk kero kerr keru keur kkaa kkar kkba kkbb kkbd kkbe kkbo kkbr kkda kkdd kkdo kkea kked kkkk kkoa kkob kkoo kkor kkrb kkre kkrk kkro kkrr kkua kkuu koab koae koak koar koba kobb kobe kobk kobo kobr kobu koda kode kodk kodo kodu koea koed koka kokb koke kokk koko kokr koku koob kook kooo koor koou kora korb kord kore kork koro korr koru koua koub koue kour kouu krab krad krae krak krar krba krbb krbd krbe krbk krbr krda krdd krde krdo krdr krdu krea kreb kred kree krek kreo kreu krka krkd krke krkk krko krkr krku kroa krob krod kroe krok kroo kror krrb krre krrk krro krrr krua krue kruk krur kuar kuau kuba kubb kubd kube kubo kubr kubu kuda kudd kude kudo kudu kued kuek kueu kuka kuke kukk kuku kuoa kuok kuoo kura kurb kurd kure kurk kuro kurr kuru kuub kuuk kuur kuuu o-eo oaau oade oaer oake oara oare obad obak obba obbo obea obed ober obkb oboe obok obor obra obre obro odbo odda oddd odea oded odeo oder odoo odor odou odra odur oedo oera oere okak oked oker okka okko okok okor okra okre okro okur ooaa ooak ooba oobe ooda ooer ooku oooo oora oord oore orab orad orae orak orao orar orba orbb orbe orbo orbu orda orde ordo ordu ore- orea oreb ored orek oreo orer orka orke orko oro- oroe orok oror orra orro orub ouad oude ouea oued ouer our- oura oure ouro ouu- raab raad raak raba rabb rabe rabk rabo rabu rada radd rade rado radr radu raed raer raka rake rakk