a-be a-fu a-ii aaaa aaab aaad aaae aaaf aaai aaar aaba aabb aabd aabi aabt aada aade aadi aadt aadu aaea aafa aafb aafd aaff aafi aaib aaii aara aard aare aari aart aaru aata aatf aatt abaa abab abad abae abaf abai abar abat abau abb- abba abbb abbe abbi abbr abbt abda abdi abdu abed abee aber abet abff abia abib abid abie abir abit abiu abra abri abta abtu abua abud abue abuf abut adaa adab adad adae adai adar adat adba adbi adda addd adde addi addr addu adea adeb adee ader adet adfa adia adib adie adif adir adit adra adre adta adua adub adue adur aeaf aebi aede aedt aeer aeit aer- aera aerd aeri aeta aetf aetr aett afaa afad afar afat afdb afee afer afet affa affi afft afia afib afid afif afir afit afr- afra afre afri afru afta afte afua afud afue aiai aiba aida aidb aide aidi aidr aidt aidu aiea aiee aiet aifd aiff aiia aiib aiid aiir aira aird aire airi airt aita aite aitf aiti aitr aitt aitu aiud aiui arab arad arae araf arai arar arat arau arba arbe arbi arda arde ardf ardi ardu area ared aree aref arei aret areu arfa arfb arff arft arfu aria arib arid arie arif arii arit arr- arra arre arri arrr arrt arru arta arte arti artr arua arub arud arue arui arut at-t ataa atab atad atae atai atar atat atdi atdt atea ated atee atef atei ater atfb atfe atia atid atie atif atit atiu atra atre atri atru atta atte atti attr attu atua atub atur auaa aube aude audi auer aufe aufi aur- aura aurd aure auri aut- aute ba-i baaa baad baaf baar baat baba babb babe babi babr babu bada badb badd bade badi badr badu baed baer baff baft baia baib baid baie bair bait bar- bara barb bard bare barf bari barr bart baru bata bate batf bati batt batu bau- baud bauf baur bbad bbau bbbb bbdd bbeb bbet bd-r bdii bduf bead beaf bear beat beau beba bebb bebe bebi beda bede bedi bedu beeb beed beef beer beet befa befe beff beft beia beir beit bera berd bere beri berr bert beru beta bete beti bett betu beur bfta bftt biad biaf biar biat biba bibb bibe bibi bida bide bidi bidr bidu bieb bied bief bier biet bieu bifa biff bifi bira birb bird bire biri birr birt biru bita bitd bite bitt bitu brab brad brae braf brai brat brau brda brdt brea breb bred bree bref brei brer bret brfu bria brid brie brit brrr brud brue brut btaa btaf btdt btie btrt bttb buad buar buat buba bubb bube bubi bubu buda budb budd bude budi budu buea buer bueu bufe buff bufr buid buie buif buir buit buiu bur- bura burb burd bure buri burr burt buru but- buta bute buti butt daab daad daae daar daau daba dabb dabt dabu dada dade dadi dadu daeb daer daeu dafa dafe daff dafi daft daia daid daie dair dait dara darb dard dare darf dari darr dart daru data date dati datr datt datu daub daud daue daur daut dbar dbit dbtt dddd ddie ddre ddub dead deae deaf dear deau deba debe debi debt debu deda dedd dede dedi dedu deeb deed deef deer deet defe deff defi deft deid deie deif deir deit der- dera derb dere derf deri derr deta dete detr deua deue deur deut dfaf dfdt dfer dffa dfrf dfri dftr dia- diab diad diaf diar diat diba dibb dibe dida dide didi didu diea dieb died dief dier diet dieu dif- difa diff diii dira dird dire dirr dirt dita dite diti ditt draa drab drad draf drar drat drau drba drda drea dred dree dref drei dret drib drie drif drit drra drua drub drue drui drut druu dtaa dted duaa duab duad duar duat dub- duba dubb dube dubu duda dudd dude dudu duer duet duff dufu duid duif duir duit dura dure duri durt duru duta dute duur duut eaaf eaba eada eadb eadd eadi eafb eaif eaiu eara earb eard eare eart eata eate eati ebba ebbr ebed eber ebid ebit ebru ebur edad edar edda edde eddi ede- edea edei eder edfa edfu edia edie edif edit edra edru edta edur eede eedu eeea eeee eefa eefe eera eeta eete eetu efab efbr efda efet effa effi efit eft- efta eftu efua eid- eide eidi eidr eidu eied eiei eier eira eird eire eita eitb eiti eitr erad eraf erat erau erba erbb erbe erda erde erdf erdi ereb ered erei erer eret erft eria erie erit eriu erra erre erta ertu erua erub erur etai etat etbr etee eter etfa etfb etfe etra etre etta ette etti ettu etua etui euba eubi eude euer eufi eur- eura eure eurt faaa faad faba fabd fabe fabi fabu fada fadd fade fadi faeb fafa fafe faff fafi faid faie fair fait fara farb fard fare farr fart faru fata fate fatf fati fatt faud faue faur faut fbar fdti fead feaf fear feat feba feda fede fedi feeb feed feer feet fefe feff fefi feia feid feie feir feit fera ferb ferd fere ferr fert feru feta fete feti fetr fett fetu feud ffar ffee ffff ffii ffrr fftf fiaa fiad fiaf fiar fiat fiba fibe fida fide fidf fief fier fifa fife fiff fifi fift fiii fira fire fita fite fiti fitt fiua frab frad frae frat frau frea fred free frei fret fria frib frid frie frit frta frub frue ftdi ftea fter ftii ftub fuad fuar fuat fubb fubu fuda fudd fude fudi fuet fuff fufu fuid fuir fuit fur- fura fure furi furr furt futa fute futi futu i-be iaaa iaai iaat iaba iadb iadt iaea iafe iaff iaia iara iare iart iaru iata iate iati ibad ibar ibat ibea ibed ibet ibfi ibia ibid ibie ibra ibrd