a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aabt aaea aaib aaii aaoe aaoo aara aare aari aaro aart aaru aata aatt abaa abab abae abai abar abat abau abb- abba abbb abbe abbi abbo abbr abbt abee aber abet abia abib abie abir abit abiu aboa abob aboo abor abot abou abra abri abro abta abtu abua abue abut aebi aeer aeio aeit aer- aera aeri aero aeta aeto aetr aett aiai aiba aibo aiea aiee aiet aiia aiib aiir aioi aira aire airi airo airt aita aite aiti aitr aitt aitu aiui aoba aoeu aora aorb aort aout arab arae arai arar arat arau arba arbe arbi area aree arei areo aret areu aria arib arie arii ario arit aroa arob aroe aroi aroo aror arr- arra arre arri arro arrr arrt arru arta arte arti arto artr arua arub arue arui arut at-t ataa atab atae atai atar atat atea atee atei ateo ater atia atie atit atiu atob atoe atoi ator atot atra atre atri atro atru atta atte atti atto attr attu atua atub atur auaa aube auer aur- aura aure auri auro aut- aute auto ba-i baaa baar baat baba babb babe babi babo babr babu baer baia baib baie baio bair bait bar- bara barb bare bari baro barr bart baru bata bate bati bato batt batu bau- baur bbau bbbb bbeb bbet bear beat beau beba bebb bebe bebi bebo beeb beer beet beia beir beit beo- beor beot bera bere beri bero berr bert beru beta bete beti beto bett betu beur biao biar biat biba bibb bibe bibi bibo bieb bier biet bieu bio- bioi biot biou bira birb bire biri biro birr birt biru bita bite bito bitt bitu boab boai boar boat boba bobb bobe bobi bobo bobu boea boee boeo boer boet boi- boie boii boit boiu boob booe boor boot bor- bora bore bori boro borr bort boru bota botb bote boti boto bott boua boue bour bout brab brae brai brao brat brau brea breb bree brei breo brer bret bria brie brio brit broa brob broe broo bror brot brou brrr brue brut btaa btie btob btor btrt bttb buar buat buba bubb bube bubi bubo bubu buea buer bueu buie buir buit buiu bur- bura burb bure buri buro burr burt buru but- buta bute buti buto butt eaba eaiu eara earb eare earo eart eata eate eati ebba ebbo ebbr eber ebit eboe eboo ebor ebro ebru ebur eeea eeee eera eero eeta eete eetu eiao eiei eier eiou eira eire eita eitb eiti eito eitr eoir eora eore eori eota eoto erat erau erba erbb erbe ereb erei erer eret eria erie erio erit eriu erob eroe eroi eroo erra erre erro erta ertu erua erub erur etai etat etbr etee eter etio etoe etra etre etro etta ette etti etto ettu etua etui euba eubi euer euoi eur- eura eure euro eurt i-be iaaa iaai iaat iaba iaea iaia iara iare iart iaru iata iate iati ibar ibat ibea ibet ibia ibie ibot ibra ibri ibro ibtb ieat ieet ieie ieio iera iere ieri ieta iett iiie iiii iiio iiit iioi iioo iira iita iitr iitt ioba iobi ioee ioii ioio ioit iooi iooo iora iore iori iota iote ioto irae irai irao irar irbe iree irer iri- iria irie irio irob irra irre irri irta irte irti itaa itai itar itat itbe itea iter itet itia itie itoi itoo itor itou itra itri itta itto itur iuiu iura o-eo oaau oaer oara oare oate obai obba obbo obea ober obet obia obie obit oboe oboi obor obot obra obre obri obro oera oere oeta oeti oiba oier oiii oira oire oirt oita oiti ooaa ooba oobe oobi ooer ooia oooo oora oore oort ootb orab orae orai orao orar orat orba orbb orbe orbi orbo orbu ore- orea oreb oreo orer ori- oria orie orio orit oro- oroe oror orot orra orri orro orta orte orto orub otar otea otee oter otit oto- otoe otoo otor otra otre otro otta otte otti otto ottu otur ouat ouea ouer ouie ouii ouir ouit our- oura oure ouro ourt out- outa outb oute outi outo ouu- raab raat raba rabb rabe rabi rabo rabu raer raia raie raii rair rait raiu raob rara rarb rare rari raro rata rate rati rato ratt ratu raua raub raue raut rbbb rbbr rea- reae reao rear reat reau reba rebb rebe rebo rebu reeb reet reia reii reir reit reiu reot reou rera rere reri rero rert reru reta rete reti reto retr rett reue reut reuu riaa riab riai riat riau rib- riba ribe ribo ribu rier riet rieu riia riot riou rire riri rita rite riti rito ritt ritu riue roab roar roat rob- roba robb robe robi robo robt robu roea roer roet roia roio roir roit roiu roob rooi roor root rora rore rori roro rort roru rota rote roti roto rotr rott roua roub roue rout rrat rrrr rtai rtee rtei ruba rubb rube rubi rubu ruer ruet ruit rura rure ruri ruro ruru ruta rute ruti ruto rutt rutu taa- taar taat taba tabb tabe tabi tabo tabu taer taia taio tair tait taoa taor taou tara tarb tare tari taro tarr tart taru tata tatb tate tati tato tatr tatt tatu taua taub taue taur taut tbar tbit tbrb tbta tear teat teba tebo tebu teer teet teia teie teir teiu teor ter- tera tere teri tero terr teru teta tete teti teto tetr tett tetu teut tiaa tiab tiao tiar tiba tibi tibu tie- tiea tiee tiei tieo tier tiet tiit tiiu tiou tira tirb tire tiri tiro tirr tiru tita tite titi tito titt titu toab toat toau toba tobe tobi tobo tobt tobu toea toee toei toer toet toie toit tooa toor toot tora tore tori toro torr tort toru tota tote toti toto totr tott toui tour tout traa trab trae