a-be aaaa aaab aaad aaae aaam aaba aabb aabd aabm aabt aada aade aadt aaea aaem aama aamb aamd aame aata aatt abaa abab abad abae abam abat abb- abba abbb abbe abbt abda abed abee abet abma abmb abmt abta adaa adab adad adae adam adat adba adda addd adde adea adeb adee adem adet adma admb adme adta aede aedt aemt aeta aett amaa amad amae amam amat amb- amba ambe amda amdt amed amee amet amm- amma amme amta amte at-t ataa atab atad atae atat atdt atea ated atee atem atm- atma atme atta atte baaa baad baam baat baba babb babe babm bada badb badd bade baed bama bamb bame bamm bata bate batt bbad bbbb bbdd bbeb bbet bead beam beat beba bebb bebe beda bede beeb beed beem beet bema beme beta bete bett bmaa bmdb btaa btdt bttb daab daad daae daam daba dabb dabt dada dade daeb daem dama damb dame damm data date datt dbtt dddd dead deae deba debe debt deda dedd dede deeb deed deem deet dem- dema demb demd deme deta dete dmaa dmab dmae dmba dmdt dmea dtaa dted eaba eada eadb eadd eama eame eata eate ebam ebba ebed edad edam edda edde eddm ede- edea edem edma edme edta eede eeea eeee eeta eete emad emae emam emba embd embe emdt emet emma emme emta emte etam etat etee etem etta ette maaa maad maam maat maba mabe mada madb madd made madt maee maem mama mame mata mate matt mbam mbba mbda mbdb mbed mbta mdat mddm mdea mdma mdme mdta mead meat mebe meda medb medd mede meed meem meet mema meme met- meta mete mett mmaa mmab mmda mmdb mmea mmmd mmmm mtaa mtab mtbd taa- taat taba tabb tabe tada tade taem tama tamd tame tamm tata tatb tate tatt tbta tddb tdma tead team teat teba teda tedd tede tedm teed teem teet tema teme teta tete tett tmaa tmed tmtt ttab ttbb ttma tttt