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a-fu a-ii aaaa aaab aaaf aaai aaal aaar aaas aaba aabb aabi aabl aafa aafb aaff aafi aafl aaib aaii aais aala aali aall aals aalu aara aari aars aaru aasa aasf aasi aass aasu aaus abaa abab abaf abai abal abar abas abau abb- abba abbb abbi abbr abbs abff abia abib abil abir abis abiu abla abls abra abri abrs abs- absa absf absi absl abss absu abua abuf abul abus afaa afar afbs affa affi affs afia afib afif afil afir afis afla afr- afra afri afrs afru afsa afsb afua afus aiai aias aiba aibl aiff aifl aifs aiia aiib aiir aila aili ails ailu aira airi airs aisa aisb aisi aisl aisr aiui alaa alai alal alar alas alau alb- alba albi albs albu alfa alfi alfs ali- alia alib alif alii alil alir alis aliu all- alla alli alll allr alls allu alsa alua aluf alui alur alus arab araf arai aral arar aras arau arba arbi arbs arfa arfb arff arfs arfu aria arib arif arii aril aris arla arli arr- arra arri arrr arrs arru ars- arsa arsi arsu arua arub arui arul asaa asab asaf asai asal asar asas asau asba asbu asfa asfi asia asif asii asil asir asis asla asli aslr asra asrs asru assa assi assl assr asss assu asub asui asur asus auaa aufi aufs auis aul- aula aulf auli aull auls aulu aur- aura auri ausa ausu ba-i baaa baaf baal baar baas baba babb babi babr babs babu baff baia baib bail bair bais bala balf bali ball bals balu bar- bara barb barf bari barr bars baru basa basf basi bass basu bau- bauf baul baur bbas bbau bbbb bbbs bblb bbls bfas bffl bffs bfsi bfsr biaf bial biar bias biba bibb bibi bibl bibs bifa biff bifi biis bila bili bill bils bilu bira birb biri birl birr birs biru bis- bisa bisl biss bisu blaa blab blas blau blir blis blls blss blub bluf blur blus brab braf brai bras brau brfu bria bril bris brls brrr brrs brsb brsr brus bsaa bsas bsfa bsff bsfs bsra bual buar buba bubb bubi bubs bubu buff bufr buif buir buis buiu bula bulb buli bull buls bulu bur- bura burb buri burl burr burs buru busa busi buss busu buus faaa faas faba fabi fabs fabu fafa faff fafi fail fair fais fala fali fall fals falu fara farb farl farr fars faru fasa fasi fass faul faur fbar fbis fbla fbrs fbus ffar ffff ffii ffrr ffsa ffss fiaa fiaf fial fiar fias fiba fibs fifa fiff fifi fiii fiil fila fili fill fils fira firs fisa fisi fiss fisu fiua flab flia flii flis flub fluf flur flus frab fras frau fria frib fril fris frla frsb frub fsai fsas fsfi fsia fsra fssa fssf fuar fubb fubs