a-be aaaa aaab aaad aaae aaal aaba aabb aabd aabl aabt aada aade aadt aaea aala aald aale aall aata aatt abaa abab abad abae abal abat abb- abba abbb abbe abbt abda abed abee abel abet abla able abta adaa adab adad adae adal adat adba adda addd adde addl adea adeb adee adel adet adle adta aede aedt aela aeta aett alaa alad alae alal alat alb- alba albe ald- alda alde aldl alea aled alee alet all- alla alle alll alta alte at-l at-t ataa atab atad atae atal atat atdt atea ated atee atel atla atle atta atte baaa baad baal baat baba babb babe bada badb badd bade baed bael bala bald bale ball balt bata bate batt bbad bbbb bbdd bbeb bbet bblb bdle bead beal beat beba bebb bebe beda bede bedl beeb beed beel beet bela beld bele bell belt beta bete bett blaa blab blad blae blat blbt blea bleb bled blee blet btaa btdt btla bttb daab daad daae daal daba dabb dabt dada dade daeb dala dale dall dalt data date datt dbtt dddd dead deae deal deba debe debt deda dedd dede deeb deed deel deet dela deld dele dell delt deta dete dlab dlbd dtaa dted dtla dtle e-la eaba eada eadb eadd eala eald eale eata eate ebal ebba ebed ebel ebla edad edda edde ede- edea edel edla edle edta eede eeea eeee eele eeta eete el-b elab elad elal elat elba elbe elda elde elea eled elee elet ella elle elta elte etal etat etee etel etla etta ette laaa laad laal laat laba labe lada ladd lade lael laet lala lald lale lall lata latd late latt leaa lead leal leat leba lebd leda lede ledt leea leed leel leet lela lele lell leta lete lett llat lldb llet llll ltae ltbl ltee taa- taal taat taba tabb tabe tabl tada tade tael tala tale tall tata tatb tate tatt tbta tdal tddb tead teal teat teba teda tedd tede teed teel teet tel- tela teld tele tell telt teta tete tett ttab ttbb tttt