a-be a-fu aaaa aaab aaae aaaf aaam aaar aaba aabb aabm aaea aaem aafa aafb aaff aama aamb aame aamo aamr aaoe aaoo aara aare aarm aaro aaru abaa abab abae abaf abam abar abau abb- abba abbb abbe abbo abbr abee aber abff abma abmb aboa abob abof aboo abor abou abra abro abua abue abuf abum aeaf aeer aeom aer- aera aero afaa afam afao afar afee afer affa affo afma afoa afoe afoo afor afr- afra afre afrm afro afru afua afue amaa amae amam amar amb- amba ambe ambo ambr ambu amee amer ameu amfm amfr amm- amma amme ammo ammu amob amof amoo amor amou amra amro amua amum amur aoba aoeu aoma aora aorb aouf arab arae araf aram arar arau arba arbe area aree aref arem areo areu arfa arfb arff arfu arma arme armm armo armu aroa arob aroe arom aroo aror arr- arra arre arro arrr arru arua arub arue arum auaa aube auer aufe auma aur- aura aure auro baaa baaf baam baar baba babb babe babm babo babr babu baer baff bafo bama bamb bame bamf bamm bamu bar- bara barb bare barf barm baro barr baru bau- bauf baum baur bbau bbbb bbeb beaf beam bear beau beba bebb bebe bebo beeb beef beem beer befa befe beff befo bema beme bemu beo- beof beor bera bere berm bero berr beru beur bfme bmaa boab boar boba bobb bobe bobo bobu boea boee boef boeo boer bofa bofe boff bofu boma bomb bome bomu boob booe boof boom boor bor- bora bore borf borm boro borr boru boua boue bouf boum bour brab brae braf bram brao brau brea breb bree bref brem breo brer brfm brfu broa brob broe brom broo bror brou brrm brrr brue brum buar buba bubb bube bubo bubu buea buem buer bueu bufe buff bufo bufr bum- buma bumb bumf bur- bura burb bure burm buro burr buru eaaf eaba eafb eama eame eaom eara earb eare earo ebam ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eefa eefe eemo eera eero efab efbr efeo effa efma efor efua emae emam emar emba embe embo embr emer emeu emma emme emmu emor emra emre eora eore eraf eram erau erba erbb erbe ereb erem erer erma erme ermo erob eroe eroo erra erre erro erua erub erum erur euba euer eur- eura eure euro faaa faam faba fabe fabm fabo fabu faeb faem fafa fafe faff fafo fama fame famo fara farb fare farm faro farr faru faue faur fbar fbom feaf feam fear feba febo feeb feem feer fefe feff fefo fema femb feme femm feof fera ferb fere ferm fero ferr feru ffar ffee ffff ffrr fmea foaf foam foar foba foer fofo foma fome fomo foof foom for- fora forb fore form foro forr foua four frab frae fram frau frea free frem freo frob froe from frou frub frue frum fuar fubb fubu fuff fufu fume fumo fuor fur- fura fure furm furo furr maaa maaf maam maar maba mabe mabo mabu maee maem maeo maer mafa mafb maff mafu mama mame mamf mamo mamu maor mar- mara mare marf marm maro marr maru maua mauf maum maur mbam mbba mbou mear mebe mebo meef meem meer mefe meff mefo mema meme memo memr memu meor meou mer- mera merb mere merf merm mero meru meum mfbm mffa mfor mfou mmaa mmab mmar mmea mmff mmmm mmor mmrf moaa moab moaf moam moar moba mobb mobe mobo moea moef mofa mofe moff mofo mofu moma mome momo momu mooa moob mooe moor mora morb more morf moro moru moue mouf mour mrbb mrbm mreb mree muar mube mubo muee muff mufu muma mume mumm mumo mumu mura mure muro murr muru o-eo oaau oaer oafo oama oara oare obba obbo obea ober oboe obor obra obre obro oeme oera oere oerm oeuf ofem ofer off- offa offe offo offr offu ofme ofor ofra ofre omam omao omar ombe ombo ombu omee omeo omer omma omo- omoa omoe omoo omor omra omre omro omuo ooaa ooba oobe ooer ooff ooma oome oooo oora oore orab orae oram orao orar orba orbb orbe orbo orbu ore- orea oreb orem oreo orer orfe orff orfu orma orme ormo oro- oroe orof orom oror orra orro orub orum ouea ouer oufe ouff ouma oume our- oura oure ouro ouu- raab raaf raam raba rabb rabe rabo rabu raef raer rafa rafe raff rama ramb rame ramm ramo ramu raob raom rara rarb rare rarf raro raua raub raue rauf raum rbaf rbbb rbbr rea- reae reaf ream reao rear reau reba rebb rebe rebo rebu reeb reef reem refe reff refr refu rema reme remo reof reou rera rere rero reru reue reuf reuu rfae rfam rfef rfem rmaf roab roaf roam roar rob- roba robb robe robo robu roea roer rofe roff rofo roma romb rome romm romo roob roof room roor rora rore roro roru roua roub roue rouf roum rrrr rrum ruba rubb rube rubu ruer rufa rufe ruff rufo ruma rumb rume rumm rumo rura rure ruro ruru uafa uaru uaua ubar ubba ubbe ubbo uber ubra ueba uefa ufer uffa uffe ufra umaa umar umb- umba umbe umbo umer umff umma ummo umoe umor umra uofa uofm uofo uomo uor- uore urao urau urba urbe ure- urea urfa urfe urff urma uro- uroa urom uroo urra urre urum urur uuuu