-ana a-wa aaaa aaab aaan aaba aabb aabt aabw aana aaon aaoo aaow aata aatt aatw aawt aaww abaa abab aban abat abaw abb- abba abbb abbo abbt aboa abob abon aboo abot abow abta abwa ana- anaa anab anan anao anat anba anbb anbo anna annb anno annt ano- anoa anon ant- anta anto antt aoba aonb aono aont at-t ataa atab atan atat atna atno atob aton atot atta attn atto atwa atwo atwt awan awon awoo awow awwa baaa baan baat baba babb babo bana bann bano bant baon bata batn bato batt baw- bawn bbbb bnta bnwt boab boan boat boba bobb bobo bobw bona bonn bono bont boob boon boot boow bota botb botn boto bott botw bowa bown bowt btaa btan btob bttb btwn btwo bwaa bwan naaa naab naan naat naba nabo nan- nana nanb nann nano nant naot naow nata nato natt nawa nawo nawt nbaa nbbo nnnn nnot nntn noaa noat noba nobo non- nona nonn nono nont nonw noo- noob noon nooo noot not- nota noto nott notw nowa nown nowt ntto ntwt nwbn nwbw oban obba obbo obon obot onab onan onat onna onno onon ont- onto ooaa ooba oona oont oooo ootb ootw otan oto- oton otoo otow otta otto otwo owna owow owt- owtt owwa taa- taan taat taba tabb tabo tana tann tano tant taoa tata tatb tato tatt tawa tawn tawo tawt taww tbta toab toan toat toaw toba tobo tobt tona tonb tonn tono tooa toon toot tota toto tott towa town ttab ttbb tton tttt twan twat twbt twnt two- twoa twob twon twoo twot waaa waao waat waaw waba wabb wabn wabo wabt wabw wan- wana wanb wann wano want waob waon waoo waow wata watb watn wato watt watw wawa wawb wawo wawt wbaa wbab wban wbat wbbb wbbn wbbo wbbt wbbw wbna wbnb wbnw wbob wbon wbow wbta wbtn wbto wbtt wbtw wbwb wbwn wbwo wbwt wnaa wnab wnaw wnba wnbb wnbn wnbt wnbw wnnw wnob wnoo wnow wnta wntn wnto wntt wntw wnwn wnwt wnww woaa woab woan woat woba wobb wobn wobo wobt wona wonb wonn wont wonw woob woon woot woow wotb wott wotw wowb wown wowo wowt woww wtab wtan wtaw wtbb wtbn wtbo wtnn wtnt wtnw wtob wton wtot wtow wtta wttb wttn wtto wttt wttw wtwa wtwb wtwo wtwt wtww wwab wwba wwbb wwbn wwbt wwna wwnb wwnn wwno wwnt wwnw wwon wwot wwow wwta wwtn wwtw wwwa wwwn wwww