-ana a-wa aaaa aaab aaan aaas aaba aabb aabt aabw aana aasa aass aast aata aatt aatw aawt aaww abaa abab aban abas abat abaw abb- abba abbb abbs abbt abs- absa abss absw abta abts abwa ana- anaa anab anan anas anat anba anbb anna annb anns annt ansa ant- anta ants antt asaa asab asan asas asat asba assa assn asss asst asta astb asts at-t ataa atab atan atas atat atbs atna atns atsb atst atta attn atts atwa atws atwt awan awas awns awss awst awts awwa awws baaa baan baas baat baba babb babs bana bann bans bant basa bass bast bata batn bats batt baw- bawn baws bbas bbbb bbbs bbws bnas bnss bnta bnwt bsaa bsas bsat bsaw bsns bsts btaa btan btss bttb btwn bwaa bwan naaa naab naan naas naat naba nabs nan- nana nanb nann nans nant nas- nasa nasb nass nast nasw nata nats natt nawa naws nawt nbaa nbas nnnn nnsa nnss nntn nsaa nsna nssa nssb nsss nsts ntsb ntss ntwt nwbn nwbw nwsa nwss nwst saab saan saas saat saba sabb sabs sana sann sans sant sasa sass sast sata satb satn sats satt sawa sawn saws sawt sbaa sbas sbbs sbsa sbst sbtn snab snas snat snaw snba snns ssaa ssab ssan ssas ssat ssaw ssbn ssns sssa sssb ssss ssta sstb ssts ssws stab stan stas stat staw stbs stnn stns stss swab swan swas swat swbs swbw swnt swss swts taa- taan taas taat taba tabb tabs tana tann tans tant tasa tasb tass tast tata tatb tats tatt tawa tawn taws tawt taww tbas tbbs tbst tbta tnts tsaa tsat tsna tssa tsst tsts tswa ttab ttbb ttss tttt twan twas twat twbt twnt twss waaa waas waat waaw waba wabb wabn wabs wabt wabw wan- wana wanb wann wans want wasa wasb wasn wass wast wata watb watn wats watt watw wawa wawb waws wawt wbaa wbab wban wbat wbbb wbbn wbbs wbbt wbbw wbna wbnb wbns wbnw wbsa wbsb wbss wbst wbsw wbta wbtn wbts wbtt wbtw wbwb wbwn wbwt wnaa wnab wnas wnaw wnba wnbb wnbn wnbs wnbt wnbw wnns wnnw wnsb wnsn wnss wnst wnsw wnta wntn wnts wntt wntw wnwn wnws wnwt wnww wsaa wsan wsat wsba wsbb wsbs wsbt wsbw wsnn wsnt wsnw wsss wsst wssw wsta wstb wstn wsts wstt wstw wswb wswn wsws wswt wsww wtab wtan wtaw wtbb wtbn wtbs wtnn wtns wtnt wtnw wtsa wtsb wtsn wtss wtta wttb wttn wtts wttt wttw wtwa wtwb wtws wtwt wtww wwab wwba wwbb wwbn wwbt wwna wwnb wwnn wwns wwnt wwnw wwsb wwsn wwss wwst wwta wwtn wwtw wwwa wwwn wwws wwww