a-be aaaa aaab aaad aaae aaam aaba aabb aabd aabm aabt aada aade aadt aaea aaem aage aama aamb aamd aame aata aatt abaa abab abad abae abag abam abat abb- abba abbb abbe abbt abda abed abee abet abgd abma abmb abmt abta adaa adab adad adae adag adam adat adba adda addd adde adea adeb adee adem adet adma admb adme adta aede aedt aega aemt aeta aett agad agag agam agat agba agda agde agea aged agee agem aget agga agge agma agme agta agte amaa amad amae amag amam amat amb- amba ambe amda amdt amed amee amet amga amm- amma amme amta amte at-t ataa atab atad atae atat atdt atea ated atee atem atgm atm- atma atme atta atte baaa baad baam baat baba babb babe babm bada badb badd bade baed baga bage bagg bagt bama bamb bame bamm bata bate batt bbad bbbb bbdd bbeb bbet bbga bbgm bbmg bead beag beam beat beba bebb bebe beda bede beeb beed beeg beem beet bega begg bema beme beta bete bett bmaa bmag bmdb btaa btdt bttb daab daad daae daag daam daba dabb dabt dada dade daeb daem daga dage dagg dama damb dame damm data date datt dbag dbtt dddd dead deae deba debe debt deda dedd dede deeb deed deeg deem deet dega dege dem- dema demb demd deme deta dete dgeg dgge dmaa dmab dmae dmba dmdt dmea dtaa dted eaba eada eadb eadd eaga eage eama eame eata eate ebam ebba ebed edad edag edam edda edde eddm ede- edea edem edge edma edme edta eede eeea eeee eega eeta eete egaa egad egae egat egba egbe egea egee egem eggb egge egma egta egte emad emae emag emam emba embd embe emdt emet emma emme emta emte etag etam etat etee etem etta ette gaba gabb gabe gabt gada gadd gade gadm gaea gaed gaga gage gagg gam- gama gamb game gamm gata gate gatm gatt gbag gbde gddb geab gead geat geba gebe geda gedd gede geed geet gege gegg gem- gema gemm geta getb gete getg gett ggbt gggg gmat gmme gmta gtaa gtea gtta maaa maad maag maam maat maba mabe mada madb madd made madt maee maem maga magd mage magg mama mame mata mate matt mbam mbba mbda mbdb mbed mbta mdat mddm mdea mdma mdme mdta mead meag meat mebe meda medb medd mede meed meem meet meg- mega mege megg mema meme met- meta mete mett mgam mged mgga mgmt mmaa mmab mmda mmdb mmea mmmd mmmm mtaa mtab mtbd mtgd mtge taa- taag taat taba tabb tabe tada tade tadg taem taga tage tagg tama tamd tame tamm tata tatb tate tatt tbta tddb tdma tead team teat teba teda tedd tede tedm teed teem teet tega tegg tegt tema teme teta tete tett tmaa tmbg tmed tmge tmtt ttab ttbb ttma tttt