a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aaea aaib aaii aaoe aaoo aara aare aari aaro abaa abab abae abai abaj abar abb- abba abbb abbe abbi abbo abbr abee aber abia abib abie abir aboa abob aboo abor abra abri abro aebi aeer aeio aer- aera aeri aero aiai aiba aibo aiea aiee aiia aiib aiir aija aioi aira aire airi airo ajab ajao ajar ajba ajee ajio ajob ajoo ajri aoba aora aorb arab arae arai arar arba arbe arbi area aree arei areo aria arib arie arii arij ario arja arje arjo aroa arob aroe aroi aroo aror arr- arra arre arri arro arrr ba-i baaa baar baba babb babe babi babo babr baer baia baib baie baio bair baja baji bar- bara barb bare bari baro barr bbbb bbeb bear beba bebb bebe bebi bebo beeb beej beer beia beij beir beja beo- beor bera bere beri bero berr biaj biao biar biba bibb bibe bibi bibo bieb bier bija biji bio- bioi bira birb bire biri biro birr bjoa boab boai boar boba bobb bobe bobi bobo boea boee boeo boer boi- boie boii boji bojo boob booe boor bor- bora bore bori borj boro borr brab brae brai braj brao brea breb bree brei breo brer bria brie brio brje broa brob broe broo bror brrr eaba eara earb eare earo ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eera eero eiao eiei eier eija eiji eira eire ejer ejji ejob ejoo eoir eora eore eori erba erbb erbe ereb erei erer eria erie erio erja erob eroe eroi eroo erra erre erro i-be iaaa iaai iaba iaea iaia iara iare ibar ibea ibia ibie ibra ibri ibro ieie ieio iera iere ieri iiie iiii iiio iioi iioo iira ijji ioba iobi ioee ioii ioio iooi iooo iora iore iori irae irai iraj irao irar irbe iree irer iri- iria irie irio irje irob irra irre irri j-ro jaar jaba jabi jabo jabr jaer jair jaja jaji jara jare jari jaro jarr jbaa jbar jbob jear jebb jebe jeer jera jere jeri jero jiao jibb jibe jibi jije jiji jira jiri jiro jjar joab joao joar joba jobe jobo joea joee joia joie joio joji jojo joor jora jore joro jrbr o-eo oaer oara oare obai obba obbo obea ober obia obie obja oboe oboi obor obra obre obri obro oera oere oiaj oiba oier oiii oira oire ojai ojea ooaa ooba oobe oobi ooer ooia ooij ooji oooo oora oore orab orae orai orao orar orba orbb orbe orbi orbo ore- orea oreb oreo orer ori- oria orie orio orji oro- oroe oror orra orri orro raab raaj raba rabb rabe rabi rabo raer raia raie raii rair raja raje raji rajo raob rara rarb rare rari raro rbbb rbbr rea- reae reao rear reba rebb rebe rebo reeb reia reii reir reja rera rere reri rero riaa riab riai rib- riba ribe ribo rier riia riji rijo rire riri roab roar rob- roba robb robe robi robo roea roer roia roio roir roja roje roji rojo roob rooi roor rora rore rori roro rrrr