a-be a-do aaaa aaab aaad aaae aaam aaba aabb aabd aabm aabt aada aade aadt aaea aaem aama aamb aamd aame aamo aaoe aaoo aata aatt abaa abab abad abae abam abat abb- abba abbb abbe abbo abbt abda abdo abed abee abet abma abmb abmt aboa abob abod aboo abot abta adaa adab adad adae adam adao adat adba adda addd adde addo adea adeb adee adem adeo adet adma admb adme adob adod adoe adoo adot adta aede aedt aemt aeom aeta aeto aett amaa amad amae amam amat amb- amba ambe ambo amda amdo amdt amed amee amet amm- amma amme ammo amob amod amoo amot amta amte amto aoba aoma aotd at-t ataa atab atad atae atat atdt atea ated atee atem ateo atm- atma atme atmo atob atod atoe atom atot atta atte atto baaa baad baam baat baba babb babe babm babo bada badb badd bade bado baed bama bamb bame bamm bata bate bato batt bbad bbbb bbdd bbdo bbeb bbet bead beam beat beba bebb bebe bebo beda bede bedo beeb beed beem beet bema beme beo- beod beot beta bete beto bett bmaa bmdb boab boad boat boba bobb bobe bobo boda bodb bode bodo boea boee boeo boet boma bomb bome bomt boob bood booe boom boot bota botb botd bote boto bott btaa btdt btob bttb d-bo daab daad daae daam daba dabb dabo dabt dada dade dado daeb daem dama damb dame damm damo data date dato datt dbtt dddd ddot dead deae deba debe debt deda dedd dede dedo deeb deed deem deet dem- dema demb demd deme demo deta dete deto dmaa dmab dmae dmba dmdt dmea doab doae doat doba dobb dobe dod- doda dodd dode dodo doea doma domb dome domm domo doob dood doom doot dota dotd dote doto dott dtaa dted dtot eaba eada eadb eadd eama eame eaom eata eate ebam ebba ebbo ebed eboe eboo edad edam edda edde eddm eddo ede- edea edem edma edme edod edom edta eede eeea eeee eemo eeta eete emad emae emam emba embd embe embo emdt emet emma emme emod emta emte eode eota eotd eoto etam etat etee etem etoe etta ette etto maaa maad maam maat maba mabe mabo mada madb madd made mado madt maee maem maeo mama mame mamo mata mate mato matt mbam mbba mbda mbdb mbed mbta mdat mddm mdea mdma mdme mdot mdta mead meat mebe mebo meda medb medd mede medo meed meem meet mema meme memo met- meta mete meto mett mmaa mmab mmda mmdb mmea mmmd mmmm mmod moaa moab moam moat moba mobb mobe mobo moda modd mode modo moea moed moet moma mome momo mooa moob mood mooe moot mota motb motd mote motm moto mott mtaa mtab mtbd mtbo mtoa mtoe mtom o-eo oade oadm oama oate obad obba obbo obdt obea obed obet oboe obot obtd odam odbo odda oddd odea oded odem odeo odet odma odom odoo odot oedo oeme oeta omam omao ombe ombo omda omdb omed omee omeo omet omma omo- omoa omoe omoo ooaa ooba oobe ooda ooma oome oooo ootb otbd otea oted otee otem otma oto- otoe otoo otta otte otto t-mo taa- taat taba tabb tabe tabo tada tade tado taem tama tamd tame tamm tamo taoa taom tata tatb tate tato tatt tbta tddb tdma tead team teat teba tebo teda tedd tede tedm teed teem teet tema teme temo teom teta tete teto tett tmaa tmed tmtt toab toad toam toat toba tobe tobo tobt toda todd tode todo todt toea toed toee toet toma tomb tome tomm tomo tomt tooa tood toom toot tota totd tote totm toto tott ttab ttbb tteo ttma ttoe tttt