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 abax abb- abba abbb abbe abbi abbo abbr abbt abee aber abet abia abib abie abir abit abiu aboa abob aboo abor abot abou abox abra abri abro abta abtu abua abue abut aebi aeer aeio aeit aer- aera aeri aero aeta aeto aetr aett aetx aiai aiba aibo aiea aiee aiet aiia aiib aiir aioi aira aire airi airo airt airx aita aite aiti aitr aitt aitu aiui aixa aixi aoba aoeu aora aorb aort aout arab arae arai arar arat arau arax arba arbe arbi area aree arei areo aret areu arex 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 artx arua arub arue arui arut at-t at-x ataa atab atae atai atar atat atax atea atee atei ateo ater atex atia atie atit atiu atob atoe atoi ator atot atra atre atri atro atru atrx atta atte atti atto attr attu atua atub atur auaa aube auer aur- aura aure auri auro aut- aute auto auxa axar axat axer axi- axia axie axo- axoa axto axxo ba-i ba-x baaa baar baat baba babb babe babi babo babr babu baer baia baib baie baio bair bait baix bar- bara barb bare bari baro barr bart baru barx bata bate bati bato batt batu bau- baur baux baxi baxt bbau bbbb bbeb bbet bbox 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 beux biao biar biat biba bibb bibe bibi bibo bieb bier biet bieu bio- bioi biot biou biox bira birb bire biri biro birr birt biru birx bita bite bito bitt bitu bitx bixa bixi boab boai boar boat boba bobb bobe bobi bobo bobu boea boee boeo boer boet boi- boie boii boit boiu boob booe boor boot boox bor- bora bore bori boro borr bort boru bota botb bote boti boto bott boua boue bour bout boxa brab brae brai brao brat brau brax brea breb bree brei breo brer bret brex bria brie brio brit brix broa brob broe broo bror brot brou brox brrr brue brut brux btaa btex btie btob btor btrt bttb buar buat buba bubb bube bubi bubo bubu buea buer bueu buie buir buit buiu buix bur- bura burb bure buri buro burr burt buru but- buta bute buti buto butt buxa eaba eaiu eara earb eare earo eart eata eate eati eaux ebba ebbo ebbr eber ebit ebix eboe eboo ebor ebox ebro ebru ebur eeea eeee eera eero eeta eete eetu eext eiao eiei eier eiou eira eire eita eitb eiti eito eitr eoir eora eore eori eota eoto eoux er-x 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 etix etoe etox etra etre etro etta ette etti etto ettu etua etui etux euba eubi euer euoi eur- eura eure euro eurt exa- exai exer exit exo- exor exrx exta exte extr i-be iaaa iaai iaat iaba iaea iaia iara iare iart iaru iata iate iati ibar ibat ibea ibet ibex ibia ibie ibot ibox 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 irex iri- iria irie irio irix irob irra irre irri irta irte irti itaa itai itar itat itbe itea iter itet itex itia itie itoi itoo itor itou itra itri itta itto itur iuiu iura ixia ixxi o-eo oaau oaer oara oare oate obai obba obbo obea ober obet obex obia obie obit obix oboe oboi obor obot obox obra obre obri obro oeax 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 orex ori- oria orie orio orit orix 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- oxa- oxea oxer oxi- oxia oxie oxo- oxox oxxo raab raat raba rabb rabe rabi rabo rabu raer raia raie raii rair rait raiu raix raob rara rarb rare rari raro rata rate rati rato ratt ratu raua raub raue raut raxa raxi 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 reux rexx riaa riab riai riat riau rib- riba ribe ribo ribu rier riet rieu riex riia riot riou rire riri rita rite riti rito ritt ritu riue rixe rixo roab roar roat rob- roba robb robe robi robo robt robu roea roer roet roia roio roir roit roiu roob rooi roor root roox rora rore rori roro rort roru rota rote roti roto rotr rott roua roub roue rout roux roxa roxo rrat rrrr rtai rtee rtei rtex 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 taix taoa taor taou tara tarb tare tari taro tarr tart taru tata tatb tate tati tato tatr tatt tatu taua taub