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a-wa aaaa aaab aaam aaar aaba aabb aabm aabt aabw aama aamb aamo aamr aaoo aaow aara aarm aaro aart aata aatt aatw aawt aaww abaa abab abam abar abat abaw abb- abba abbb abbo abbr abbt abma abmb abmt aboa abob aboo abor abot abow abra abro abta abwa abwr amaa amam amar amat amb- amba ambo ambr amm- amma ammo amob amoo amor amot amra amro amta amto amwa aoba aoma aora aorb aort arab aram arar arat araw arba arma armm armo armt aroa arob arom aroo aror arow arr- arra arro arrr arrt arta arto artr arwa at-t ataa atab atar atat atm- atma atmo atob atom ator atot atra atrm atro atta atto attr atwa atwo atwt awam awar awoo awow awro awwa baaa baam baar baat baba babb babm babo babr bama bamb bamm bar- bara barb barm baro barr bart bata bato batt baw- bawm bbbb bbwr bmaa boab boar boat boba bobb bobo bobw boma bomb bomt boob boom boor boot boow bor- bora borm boro borr bort borw bota botb boto bott botw bowa bowr bowt brab bram brao brat braw broa brob brom broo bror brot brow brrm brrr btaa btob btor btrt bttb btwo bwaa maaa maam maar maat maba mabo mama mamo maor maow mar- mara marm maro marr mart mata mato matr matt mawa mawm mawr mbam mbba mbta mbwa mmaa mmab mmar mmmm mmor mmwr moaa moab moam moar moat moba mobb mobo moma momo mooa moob moor moot mora morb moro mort morw mota motb motm moto mott motw mowa mowr mowt mraw mrbb mrbm mrta mrtm mrtt mtaa mtab mtbo mtoa mtom mtor mtrr mttr mwmw mwta oama oara obba obbo obor obot obra obro omam omao omar ombo omma omo- omoa omoo omor omra omro ooaa ooba ooma oooo oora oort ootb ootw orab oram orao orar orat orba orbb orbo orma ormo oro- orom oror orot orra orro orta orto orwa orwo otar otma oto- otoo otor otow otra otro otta otto otwo owar owow owt- owtt owwa raab raam raat raba rabb rabo rama ramb ramm ramo raob raom rara rarb raro rata rato ratt rawa rawr raww rbbb rbbr roab roam roar roat rob- roba robb robo robt roma romb romm romo roob room roor root rora roro rort rota roto rotr rott rowa rowb rowm rowr rowt roww rrat rrrr t-mo taa- taar taat taba tabb tabo tama tamm tamo taoa taom taor tara tarb tarm taro tarr tart tata tatb tato tatr tatt tawa tawm tawo tawt taww tbar tbrb tbta tmaa tmbr tmro tmrw tmtt toab toam toat toaw toba tobo tobt toma tomb tomm tomo tomt tooa toom toor toot tora torm toro torr tort tota totm toto totr tott towa towm traa trab tram trao trat traw trma trmb troa trom troo trot trow trra trtr ttab ttbb ttma tttt twat twbt two- twoa twob twoo twot waaa waam waao waar waat waaw waba wabb wabm wabo wabr wabt wabw wama wamb wamm wamo wamr wamt wamw waob waom waoo waor waow war- wara warb warm waro warr wart warw wata watb watm wato watr watt watw wawa wawb wawo wawt wbaa wbab wbar wbat wbbb wbbm wbbo wbbr wbbt wbbw wbmm wbmo wbmr wbmt wbmw wbob wbor wbow wbrb wbrm wbrr wbrt wbrw wbta wbtm wbto wbtr wbtt wbtw wbwb wbwo wbwt wmaa wmab wmam wmao wmar wmaw wmbb wmbm wmbo wmbr wmbt wmbw wmma wmmb wmmo wmmr wmmt wmmw wmoa wmob wmom wmoo wmor wmot wmow wmra wmrb wmro wmrr wmrt wmta wmtm wmtr wmtt wmtw wmwm woaa woab woam woar woat woba wobb wobm wobo wobt woma womb womo womr womt woob woom woot woow wora worb worm woro worr wort worw wotb wotr wott wotw wowb wowo wowt woww wraa wrab wram wrao wrar wrat wraw wrba wrbb wrbo wrbt wrbw wrma wrmo wrmr wrmt wrmw wroa