a-be a-ii aaaa aaab aaae aaai aaal aaba aabb aabi aabl aaea aaib aaii aala aale aali aall aalo aaoe aaoo abaa abab abae abai abal abb- abba abbb abbe abbi abbo abee abel abia abib abie abil abla able ablo aboa abob abol aboo aebi aeio aela aiai aiba aibl aibo aiea aiee aiel aiia aiib aila aile aili aioi alaa alae alai alal alao alb- alba albe albi albo alea alee aleo ali- alia alib alie alii alil alio all- alla alle alli alll allo aloa aloe aloi alol aloo aoba aola aole ba-i baaa baal baba babb babe babi babo bael baia baib baie bail baio bala bale bali ball balo baol bbbb bbeb bblb beal beba bebb bebe bebi bebo beeb beel beia beil bela bele beli bell belo beo- bial biao biba bibb bibe bibi bibl bibo bieb biel bila bile bili bill bilo bio- bioi biol blaa blab blae blea bleb blee blei bleo blio blob bloo boab boai boal boba bobb bobe bobi bobo boea boee boel boeo boi- boie boii boil bola bole boli boll bolo boob booe bool e-la eaba eala eale ebal ebba ebbo ebel ebla ebli eboe ebol eboo eeea eeee eele eiao eiei eila eile el-b elab elai elal elba elbe elbi elbo elea elee eleo elia elie elil elio ella elle elli ello eloi eola eole eoli eolo i-be iaaa iaai iaal iaba iaea iaia iala iale iall ibea ibia ibie ible ieie ieio iele iiie iiii iiio iila iioi iioo ilal ile- ilea ileo ilia ilie ilio ill- illa ille illi illo iloo ioba iobi ioee ioel ioii ioio iola iole iolo iooi iooo laaa laal laba labe labi labo lael laia laie lail lala lale lali lall lalo lbia leaa leal leao leba lebo leea leel leia leib leie leil leio lela lele leli lell lelo leoi liao liba libe libo lieb liel liia liii lila lilb lile lili lill lilo lio- llao llll lloa lloo lob- loba lobb lobe lobi lobo loeb loei lola lole loli loll lolo loob looe lool o-eo oall obai obal obba obbo obea obel obia obie obla oble oboe oboi obol oeil oela oele oiba oiii oila olba olbo ole- olea olei oleo olia olib olie olio olla olle olli ollo ooaa ooba oobe oobi ooia oola oolo oooo