a-be a-fu aaaa aaab aaae aaaf aaal aaba aabb aabl aaea aafa aafb aaff aafl aala aale aall aalo aalu aaoe aaoo abaa abab abae abaf abal abau abb- abba abbb abbe abbo abee abel abff abla able ablo aboa abob abof abol aboo abou abua abue abuf abul aeaf aela afaa afao afee afel affa affo afla afle afoa afoe afol afoo afua afue alaa alae alal alao alau alb- alba albe albo albu alea alee alef aleo aleu alfa alfe all- alla alle alll allo allu aloa aloe alof alol aloo alou alua aluf aoba aoeu aola aole aouf aoul auaa aube auel aufe aul- aula aule aulf aull aulo aulu auol baaa baaf baal baba babb babe babo babu bael baff bafo bala bale balf ball balo balu baol bau- bauf baul bbau bbbb bbeb bblb beaf beal beau beba bebb bebe bebo beeb beef beel befa befe beff befo bela bele bell belo belu beo- beof bffl blaa blab blae blau blea bleb blee bleo bleu blob bloo blou blub blue bluf boab boal boba bobb bobe bobo bobu boea boee boef boel boeo bofa bofe boff bofu bola bole boll bolo bolu boob booe boof bool boua boue bouf boul bual buba bubb bube bubo bubu buea buel bueu bufe buff bufo bula bulb bule bull bulu buol e-la eaaf eaba eafb eala eale ebal ebba ebbo ebel ebla eboe ebol eboo ebul eeea eeee eefa eefe eefl eele efab efeo effa efla efua el-b elab elal elba elbe elbo elbu elea elee elef eleo elfa elfe ella elle ello ellu elue elul eola eole eolo euba eula eule faaa faba fabe fabo fabu faeb fafa fafe faff fafo fala fale fall falo falu faue faul fbla fble feaf feal feba febo feeb feel fefe feff fefo fela fele felf fell felo feof ffee ffff flab flae flao flea flee flob floe floo flou flub flue fluf fluo foaf foal foba fofo fola fole foll folo foof fool foua foul fubb fubu fuel fuff fufu fula fule full fulu laaa laal laba labe labo labu lael lafb lafe laff lala lale lall lalo lalu laou laub laue lauf laul le-u leaa leaf leal leao leau leba lebo lebu leea leef leel lefa lefe leff lela lele lell lelo lelu leof leou llao llef lleu llll lloa lloo loaf lob- loba lobb lobe lobo loeb loeu lofa lofe loff lola lole loll lolo loob looe loof lool loue loul louu luau luba lube luef lufe luff lufu lula lule lull lulu luua o-eo oaau oafo oall obal obba obbo obea obel obla oble oblu oboe obol oela oele oeuf off- offa offe offo offu ofla olaf olba olbo ole- olea olef oleo olfa olfe olla olle ollo olof ooaa ooba oobe ooff oola oolo oooo ouea oufe ouff oula oule oulu ouu- uafa uaua ubal ubba ubbe ubbo ubla uble ublo ueba uefa uele uell ufel uffa uffe ulaa ulae ulea uleb ulee uleo ulfe ulla ulle ullo ulo- ulua ulul uofa uofl uofo uulu uuuu