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a-ii a-wa aaaa aaab aaaf aaai aaas aaba aabb aabi aabt aabw aafa aafb aaff aafi aaib aaii aais aaoo aaow aasa aasf aasi aass aast aata aatf aatt aatw aawt aaww abaa abab abaf abai abas abat abaw abb- abba abbb abbi abbo abbs abbt abff abia abib abis abit aboa abob abof aboo abos abot abow abs- absa absf absi abss absw abta abts abwa afaa afao afat afbs affa affi affo affs afft affw afia afib afif afis afit afoa afoo afsa afsb afst afta afts aiai aias aiba aibo aiff aifs aiia aiib aioi aisa aisb aisi aiso aist aita aitf aiti aits aitt aiwa aiwo aoba aoss aotf asaa asab asaf asai asao asas asat asba asbo asfa asfi asia asif asii asio asis asit asob asof asoi asos asot asow assa assi asso asss asst asta astb asti asto asts at-t ataa atab atai atas atat atbs atfb atfs atia atif atis atit atob atof atoi atos atot atsb atsi atst atta atti atto atts atwa atwi atwo atws atwt awas awit awoo awow awss awst awts awwa awws ba-i baaa baaf baas baat baba babb babi babo babs baff bafo baft baia baib baio bais bait baos basa basf basi baso bass bast bata batf bati bato bats batt baw- bawi baws bbas bbbb bbbs bbws bfas bffs bfsi bfta bfts bftt biaf biao bias biat biba bibb bibi bibo bibs bifa biff bifi biis bio- bioi bios biot bis- bisa biso biss bist bita bito bits bitt biw- biwa boab boai boas boat boba bobb bobi bobo bobs bobw bofa boff bofs boi- boii bois boit boob boof boos boot boow bosa bosi boso boss bost bota botb boti boto bots bott botw bowa bowi bows bowt bsaa bsas bsat bsaw bsfa bsff bsfs bsos bsts btaa btaf btob btss bttb btwo bwaa faaa faas faba fabi fabo fabs fafa faff fafi fafo faio fais fait fasa fasi faso fass fast fata fatf fati fato fats fatt fawf fawt fbis ffff ffii ffsa ffss fftf fftw fiaa fiaf fias fiat fiba fibs fifa fiff fifi fifo fift fiii fios fisa fisi fiss fist fita fiti fits fitt foaf foba fobs fobt fofo foia fois foof foos foot fosa fosb fosi foso foss fost fota foti foto fots fott fotw fsai fsas fsfi fsfo fsia fssa fssf fsta ftii ftos ftsa fttw ftwo fwiw iaaa iaai iaas iaat iaba iaff iaia iais iasa iasi iaso iata iati iawa ibas ibat ibfi ibia ibis ibos ibot ibsa ibsf ibss ibtb ibts ibwa ifaa ifao ifas ifat ifaw ifbb ifis ifit ifsa ifsb ifso ifta ifto iias iifa iiii iiio iiis iiit iioi iioo iios iisi iist iita iitt iiwi ioba iobi ioii ioio ioit ioof iooi iooo ioos ioso iota iotf ioto iowa is-a isaf isai isao isas isat isaw isba isbt isfa isia isis