a-be aaaa aaab aaae aaaf aaal aaba aabb aabl aabt aaea aafa aafb aaff aafl aala aale aall aata aatf aatt abaa abab abae abaf abaj abal abat abb- abba abbb abbe abbt abee abel abet abff abla able ablj abta aeaf aela aeta aetf aett afaa afat afee afel afet affa afft afla afle afta afte ajab ajat ajba ajee ajef ajet ajla alaa alae alal alat alb- alba albe alea alee alef alet alfa alfe all- alla alle alll alta alte altj at-l at-t ataa atab atae atal atat atea atee atef atel atfb atfe atla atle atta atte baaa baaf baal baat baba babb babe bael baff baft baja bala bale balf ball balt bata bate batf batt bbbb bbeb bbet bblb beaf beal beat beba bebb bebe beeb beef beej beel beet befa befe beff beft beja bela bele bell belt beta bete bett bffl bfta bftt bjfe blaa blab blae blaj blat blbt blea bleb blee blet btaa btaf btla bttb e-la eaaf eaba eafb eala eale eata eate ebal ebba ebel ebla eeea eeee eefa eefe eefl eele eeta eete efab efet effa efla eft- efta el-b elab elal elat elba elbe elea elee elef elet elfa elfe elft ella elle elta elte etal etat etee etel etfa etfb etfe etla etta ette faaa faba fabe faeb fafa fafe faff faja fala fale fall falt fata fate fatf fatt fbla fble feaf feal feat feba feeb feel feet fefe feff fela fele felf fell felt feta fete fett ffee ffff fftf flab flae flat flea flee flet ft-l ftea ftlb jaaf jaal jaba jael jafa jaff jaja jala jale jalt jbaa jbel jeat jebb jebe jeel jeet jefe jeff jelf jell jeta jetb jete jetl jett jfet jlab laaa laaj laal laat laba labe lael laet lafb lafe laff laft laja laje lala lale lall lata late latt leaa leaf leal leat leba leea leef leej leel leet lefa lefe leff left lela lele lell leta lete lett lfat ljeb ljla llat llef llet llll ltae ltbf ltbl ltee taa- taaf taal taat taba tabb tabe tabl tael tafa tafe taff taft tala tale tall tata tatb tate tatt tbaf tbta teal teat teba teef teej teel teet teff tefl teft teja tel- tela tele tell telt teta tete tett tfae tfal tfeb ttab ttbb ttfa ttff tttt