a-be a-ii a-iv aaaa aaab aaae aaai aaar aaav aaba aabb aabi aaea aaev aaib aaii aaoe aaoo aara aare aari aaro aaru aava abaa abab abae abai abar abau abb- abba abbb abbe abbi abbo abbr abee aber abia abib abie abir abiu aboa abob aboo abor abou abov abra abri abro abua abue abva aebi aeer aeio aer- aera aeri aero aeva aiai aiba aibo aiea aiee aiia aiib aiir aioi aira aire airi airo aiui aiva aoba aoeu aora aorb arab arae arai arar arau arba arbe arbi area aree arei areo areu arev aria arib arie arii ario aroa arob aroe aroi aroo aror arr- arra arre arri arro arrr arru arua arub arue arui arva arve arvi arvo auaa aube auer aur- aura aure auri auro auve avab avao avar avea aveo aver aveu avia avie avio aviv avor avou avra avre avri avro avui avur avva avvo ba-i baaa baar baba babb babe babi babo babr babu baer baia baib baie baio bair bar- bara barb bare bari baro barr baru bau- baur bava bave bavi bavu bbau bbbb bbeb bear beau beav beba bebb bebe bebi bebo beeb beer beia beir beo- beor bera bere beri bero berr beru beur bevo biao biar biba bibb bibe bibi bibo bieb bier bieu bio- bioi biou bira birb bire biri biro birr biru bive bivi boab boai boar boba bobb bobe bobi bobo bobu boea boee boeo boer boi- boie boii boiu boob booe boor bor- bora bore bori boro borr boru boua boue bour bova bove bovi bovo brab brae brai brao brau brav brea breb bree brei breo brer brev bria brie brio broa brob broe broo bror brou brrr brue bruv brvi buar buba bubb bube bubi bubo bubu buea buer bueu buie buir buiu bur- bura burb bure buri buro burr buru buve eaba eaiu eara earb eare earo eave ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eera eero eeva eiao eiei eier eiou eira eire eoir eora eore eori erau erba erbb erbe ereb erei erer erev eria erie erio eriu erob eroe eroi eroo erra erre erro erua erub erur eruv erve ervi euba eubi euer euoi eur- eura eure euro evae evar evea ever evia evie evir evoe evoo evra evre i-be iaaa iaai iaba iaea iaia iara iare iaru iava ibar ibea ibia ibie ibra ibri ibro ieie ieio iera iere ieri ieva iiie iiii iiio iioi iioo iira ioba iobi ioee ioii ioio iooi iooo iora iore iori irae irai irao irar irbe iree irer iri- iria irie irio irob irov irra irre irri iuiu iura ivai ivao ivar ivbv ivea iver ivie ivor ivre ivue o-eo oaau oaer oara oare obai obba obbo obea ober obia obie oboe oboi obor obra obre obri obro obvi oera oere oiav oiba oier oiii oira oire ooaa ooba oobe oobi ooer ooia oooo oora oore orab orae orai orao orar orav orba orbb orbe orbi orbo orbu ore- orea oreb oreo orer ori- oria orie orio oro- oroe oror orra orri orro orub orve orvr ouea ouer ouie ouii ouir our- oura oure ouro ouu- ovar ovee over ovi- ovie ovo- ovoo ovra ovre raab raba rabb rabe rabi rabo rabu raer raia raie raii rair raiu raob rara rarb rare rari raro raua raub raue rava rave ravi rbbb rbbr rea- reae reao rear reau reba rebb rebe rebo rebu reeb reev reia reii reir reiu reou rera rere reri rero reru reue reuu reva reve revi revo riaa riab riai riau rib- riba ribe ribo ribu rier rieu riia riou rire riri riue riva rive rivo roab roar rob- roba robb robe robi robo robu roea roer roev roia roio roir roiu roob rooi roor rora rore rori roro roru roua roub roue rova rove rovi rovo rrrr ruba rubb rube rubi rubu ruer rura rure ruri ruro ruru ruve ruvi ruvu rver u-ie uair uaru uaua ubar ubba ubbe ubbi ubbo uber ubii ubir ubra ueba ueir uira uirr uor- uore uovo urai urao urau urba urbe urbi ure- urea uria urib urie uriu uro- uroa uroo urra urre urri urur urva urve uuri uuuu uv-a uv-b uvaa uvae uvea uver uvri uvvu vaar vaia vaie vaio vair vara vare vari varr varu vava vear veau veba veer veia veie veii veir veor ver- vera verb vere veri vero veur veve vevi vevo viae viar viau vibe vier vieu viii vira virb vire viri viro virr viru viue viva vive vivi vivo voar voei voer voeu voia voie voio voir voor vor- vora vore vori voro voru voue vour vrai vrav vrba vreo vria vrio vuir vurb vver vvob vvvv