a-be aaaa aaab aaae aaam aaba aabb aabm aabt aaea aaem aama aamb aame aamo aaoe aaoo aata aatt abaa abab abae abam abat abb- abba abbb abbe abbo abbt abee abet abma abmb abmt aboa abob aboo abot abta aemt aeom aeta aeto aett amaa amae amam amat amb- amba ambe ambo amee amet amm- amma amme ammo amob amoo amot amta amte amto aoba aoma at-t ataa atab atae atat atea atee atem ateo atm- atma atme atmo atob atoe atom atot atta atte atto baaa baam baat baba babb babe babm babo bama bamb bame bamm bata bate bato batt bbbb bbeb bbet beam beat beba bebb bebe bebo beeb beem beet bema beme beo- beot beta bete beto bett bmaa boab boat boba bobb bobe bobo boea boee boeo boet boma bomb bome bomt boob booe boom boot bota botb bote boto bott btaa btob bttb eaba eama eame eaom eata eate ebam ebba ebbo eboe eboo eeea eeee eemo eeta eete emae emam emba embe embo emet emma emme emta emte eota eoto etam etat etee etem etoe etta ette etto maaa maam maat maba mabe mabo maee maem maeo mama mame mamo mata mate mato matt mbam mbba mbta meat mebe mebo meem meet mema meme memo met- meta mete meto mett mmaa mmab mmea mmmm moaa moab moam moat moba mobb mobe mobo moea moet moma mome momo mooa moob mooe moot mota motb mote motm moto mott mtaa mtab mtbo mtoa mtoe mtom o-eo oama oate obba obbo obea obet oboe obot oeme oeta omam omao ombe ombo omee omeo omet omma omo- omoa omoe omoo ooaa ooba oobe ooma oome oooo ootb otea otee otem otma oto- otoe otoo otta otte otto t-mo taa- taat taba tabb tabe tabo taem tama tame tamm tamo taoa taom tata tatb tate tato tatt tbta team teat teba tebo teem teet tema teme temo teom teta tete teto tett tmaa tmtt toab toam toat toba tobe tobo tobt toea toee toet toma tomb tome tomm tomo tomt tooa toom toot tota tote totm toto tott ttab ttbb tteo ttma ttoe tttt