a-be aaaa aaab aaae aaal aaar aaba aabb aabl aabt aaea aala aale aall aara aare aart aata aatt abaa abab abae abal abar abat abb- abba abbb abbe abbr abbt abee abel aber abet abla able abra abta aeer aela aer- aera aeta aetr aett alaa alae alal alar alat alb- alba albe alea alee aler alet all- alla alle alll allr alta alte arab arae aral arar arat arba arbe area aree arel aret arla arle arr- arra arre arrr arrt arta arte artr at-l at-t ataa atab atae atal atar atat atea atee atel ater atla atle atra atre atta atte attr baaa baal baar baat baba babb babe babr bael baer bala bale ball balt bar- bara barb bare barr bart bata bate batt bbbb bbeb bbet bblb beal bear beat beba bebb bebe beeb beel beer beet bela bele bell belt bera bere berr bert beta bete bett blaa blab blae blat blbt blea bleb blee blet brab brae brat brea breb bree brel brer bret brrr btaa btla btrt bttb e-la eaba eala eale eara earb eare earl eart eata eate ebal ebba ebbr ebel eber ebla eeea eeee eele eera eeta eete el-b elab elal elar elat elba elbe elea elee eler elet ella elle elra elta elte eral erat erba erbb erbe ereb erel erer eret erla erle erll erra erre erta ertl etal etat etbr etee etel eter etla etra etre etta ette laaa laal laar laat laba labe labr lael laer laet lala lale lall lara larb lare larr lart lata late latt lbar lblr lbrt leaa leal lear leat leba leea leel leer leet lela lele lell lera lere lert leta lete lett llat llet llll lral lrat lrba lrrr lrta ltae ltbl ltee ltra lttr raab raat raba rabb rabe rabl rael raer rala ralb rale rall ralt rara rarb rare rata rate ratt rbbb rbbr rble rea- reae real rear reat reba rebb rebe reeb reel reet rela relb rele rell relt rera rere rert reta rete retr rett rlab rlee rrat rrle rrrr rtee rtle rtlt taa- taal taar taat taba tabb tabe tabl tael taer tala tale tall tara tarb tare tarr tart tata tatb tate tatr tatt tbar tbrb tbta teal tear teat teba teel teer teet tel- tela tele tell telt ter- tera tere terr teta tete tetr tett traa trab trae tral trat tre- trea tree tret trra trte trtr ttab ttbb tter tttt