a-be a-fu aaaa aaab aaae aaaf aaal aaar aaba aabb aabl aaea aafa aafb aaff aafl aala aale aall aalo aalu aaoe aaoo aara aare aaro aaru abaa abab abae abaf abal abar abau abb- abba abbb abbe abbo abbr abee abel aber abff abla able ablo aboa abob abof abol aboo abor abou abra abro abua abue abuf abul aeaf aeer aela aer- aera aero afaa afao afar afee afel afer affa affo afla afle afoa afoe afol afoo afor afr- afra afre afro afru afua afue alaa alae alal alao alar alau alb- alba albe albo albu alea alee alef aleo aler aleu alfa alfe all- alla alle alll allo allr allu aloa aloe alof alol aloo alor alou alro alua aluf alur aoba aoeu aola aole aora aorb aouf aoul arab arae araf aral arar arau arba arbe area aree aref arel areo areu arfa arfb arff arfu arla arle arlo aroa arob aroe aroo aror arr- arra arre arro arrr arru arua arub arue arul auaa aube auel auer aufe aul- aula aule aulf aull aulo aulu auol aur- aura aure auro baaa baaf baal baar baba babb babe babo babr babu bael baer baff bafo bala bale balf ball balo balu baol bar- bara barb bare barf baro barr baru bau- bauf baul baur bbau bbbb bbeb bblb beaf beal bear beau beba bebb bebe bebo beeb beef beel beer befa befe beff befo bela bele bell belo belu beo- beof beor bera bere bero berr beru beur bffl blaa blab blae blau blea bleb blee bleo bleu blob bloo blou blub blue bluf blur boab boal boar boba bobb bobe bobo bobu boea boee boef boel boeo boer bofa bofe boff bofu bola bole boll bolo bolu boob booe boof bool boor bor- bora bore borf boro borr boru boua boue bouf boul bour brab brae braf brao brau brea breb bree bref brel breo brer brfu broa brob broe brol broo bror brou brrr brue bual buar buba bubb bube bubo bubu buea buel buer bueu bufe buff bufo bufr bula bulb bule bull bulu buol bur- bura burb bure burl buro burr buru e-la eaaf eaba eafb eala eale eara earb eare earl earo ebal ebba ebbo ebbr ebel eber ebla eboe ebol eboo ebor ebro ebru ebul ebur eeea eeee eefa eefe eefl eele eera eero efab efbr efeo effa efla efor efua el-b elab elal elar elba elbe elbo elbu elea elee elef eleo eler elfa elfe ella elle ello ellu elra elro elue elul eola eole eolo eora eore eorl eraf eral erau erba erbb erbe ereb erel erer erla erle erll erob eroe erol eroo erra erre erro erua erub erur euba euer eula eule eur- eura eure euro faaa faba fabe fabo fabu faeb fafa fafe faff fafo fala fale fall falo falu fara farb fare farl faro farr faru faue faul faur fbar fbla fble feaf feal fear feba febo feeb feel feer fefe feff fefo fela fele felf fell felo feof fera ferb fere fero ferr feru ffar ffee ffff ffrr flab flae flao flea flee fler flob floe floo flor flou flub flue fluf fluo flur foaf foal foar foba foer fofo fola fole foll folo folr foof fool for- fora forb fore forl foro forr foua foul four frab frae frau frea free freo frla frob froe frol frou frub frue fuar fubb fubu fuel fuff fufu fula fule full fulu fuor fur- fura fure furl furo furr laaa laal laar laba labe labo labr labu lael laer lafb lafe laff lala lale lall lalo lalu laou lara larb lare larf larr laru laub laue lauf laul laur lbar lblr le-u leaa leaf leal leao lear leau leba lebo lebu leea leef leel leer lefa lefe leff lela lele lell lelo lelu leof leor leou lera lere lero leur llao llef lleu llll lloa lloo loaf loar lob- loba lobb lobe lobo loeb loeu lofa lofe loff lola lole loll lolo loob looe loof lool loor lora lore loro loue loul lour louu lral lrba lrrr luau luba lube luef luer lufe luff lufu lula lule lull lulu lura lure luua o-eo oaau oaer oafo oall oara oare obal obba obbo obea obel ober obla oble oblu oboe obol obor obra obre obro oela oele oera oere oeuf ofer off- offa offe offo offr offu ofla ofor ofra ofre olaf olar olba olbo ole- olea olef oleo oler olfa olfe olla olle ollo olof olor olur ooaa ooba oobe ooer ooff oola oolo oooo oora oore orab orae oral orao orar orba orbb orbe orbo orbu ore- orea oreb orel oreo orer orfe orff orfu orla orle orlo orlu oro- oroe orof oror orra orro orub ouea ouer oufe ouff oula oule oulu our- oura oure ouro ouu- raab raaf raba rabb rabe rabl rabo rabu raef rael raer rafa rafe raff rala ralb rale ralf rall ralo raob raol rara rarb rare rarf raro raua raub raue rauf raul rbaf rbbb rbbr rble rea- reae reaf real reao rear reau reba rebb rebe rebo rebu reeb reef reel refe reff refl refr refu rela relb rele rell relo reof reol reou rera rere rero reru reue reuf reul reuu rfae rfef rffl rlab rlee rlef rleu rlua roab roaf roar rob- roba robb robe robo robu roea roel roer rofe roff rofl rofo rola role rolf roll rolo roob roof rool roor rora rore roro roru roua roub roue rouf roul rrle rrrr ruba rubb rube rubu ruel ruer rufa rufe ruff rufo rula rule rull rulo rura rure ruro ruru uafa uaru uaua ubal ubar ubba ubbe ubbo uber ubla uble ublo ubra ueba uefa uele uell ufel ufer uffa uffe ufra ulaa ulae ular ulea uleb ulee uleo ulfe ulla ulle ullo ullr ulo- ulua ulul uofa uofl uofo uor- uore ural urao urau urba urbe ure- urea urfa urfe urff urla urle uro- uroa urol uroo urra urre urur