a-be aaaa aaab aaae aaal aaap aaba aabb aabl aabp aabt aaea aaep aala aale aall aalo aaoe aaoo aapa aapl aapo aapt aata aatt abaa abab abae abal abap abat abax abb- abba abbb abbe abbo abbt abee abel abet abla able ablo aboa abob abol aboo abot abox abpa abpp abta aeap aela aelp aeta aeto aett aetx al-p alaa alae alal alao alap alat alb- alba albe albo alea alee aleo alep alet alex all- alla alle alll allo aloa aloe alol aloo alop alot alpa alpe alpl alpo alta alte alto altx alxa aoba aola aole aopo apal apao apap apat apax apba apea apel apep apet apex apl- apla aple aplp aplx apo- apoe apoo apop apot apox appa appl appt appx apta apte aptt aptx at-l at-t at-x ataa atab atae atal atap atat atax atea atee atel ateo atep atex atla atle atlo atob atoe atol atop atot atta atte atto attp axal axat axel axle axo- axoa axto axxo ba-x baaa baal baat baba babb babe babo bael bala bale ball balo balt baol bapa bape bapp bapt bata bate bato batt baxt bbbb bbeb bbet bblb bbox beal beap beat beba bebb bebe bebo beeb beel beep beet bela bele bell belo belp belt beo- beot bepo beta bete beto bett blaa blab blae blat blbt blea bleb blee bleo blet blob bloo blop blot boab boal boat boba bobb bobe bobo boea boee boel boeo boep boet bola bole boll bolo bolt boob booe bool boop boot boox bopa bope bopp bota botb bote boto bott boxa bpea bpel bpoe bpot btaa btbp btex btla btlp btob bttb e-la eaba eala eale eaop eapp eata eate eaxl ebal ebba ebbo ebel ebla eboe ebol eboo ebox ebpo eeea eeee eele eeta eete eext el-b el-p elab elal elat elba elbe elbo elea elee eleo elet elex ella elle ello elpe elta elte elto eola eole eolo eota eoto epaa epee eple epll epol epot epox eppa eppo eppp epta epte epxp etal etap etat etee etel etla etoe etox etta ette etto exa- exel exo- expo expt exta exte extl laaa laal laap laat laax laba labe labo lael laet lala lale lall lalo lapa lapb lape lapp lapt lata late lato latt laxa laxe laxo leaa leal leao leap leat leba lebo leea leel leep leet lela lele lell lelo leox lepa lepe lepo lepp lept leta lete leto lett lexa lext lexx llao llat llet llll lloa lloo loap loat lob- loba lobb lobe lobo loeb lola lole loll lolo loob looe lool loop loot lopa lope lopp lota lote lotl loto lott lox- loxa loxo lpla lppl lptb ltae ltap ltbl ltee ltpa lxxx o-eo oall oate obal obba obbo obea obel obet obex obla oble oboe obol obot obox oeax oela oele oepa oeta olat olax olba olbo ole- olea oleo olet olla olle ollo olot olpe olta ooaa ooba oobe oola oolo oooo ootb ootp opal opap opel opep opet opex opla ople opo- oppa oppo opto otap otea otee otep oto- otoe otoo otpp otta otte otto oxa- oxal oxea oxep oxo- oxox oxxo paal paap paat paba pabt pabx paea paep pala pale pall palo palp palt paox papa papb pape papp pata pate pato patt paxo pbpa peab peal peap peat peax peba pebl peel peep peet pel- pela pelb pele pell pelo pelt pepa pepe pepo peta pete peto pett plaa plab plap plat plax ple- plea pleb plee pleo plet plex plob ploo plop plot plpa plpp pltt poat poba pobo poea poel poet pola pole poll polo polt pool poop poot pop- popa pope popo popp popt pota pote poto pott ppal ppap pple pplo ppoa pppa pppo pppp ppta pptt ptab ptal ptbl ptol ptop ptox taa- taal taat taba tabb tabe tabl tabo tael tala tale tall talo talx taoa tapa tape tapo tapp tapt tata tatb tate tato tatt tax- taxa taxe taxo taxt tbox tbta tbtp teal teat teba tebo teel teet tel- tela tele tell telo telt tepa tepe tepp teta tete teto tett tetx texa text tlpa tltx toab toal toat toba tobe tobo tobt toea toee toet tol- tola tole toll tolo tolt tooa tool toot top- topa tope topo topp topt tota tote toto tott tox- toxa toxo toxt tpap tpol tppa tppp tpte tptp ttab ttbb tteo ttoe ttop tttt txaa xala xall xapo xate xbee xbel xbox xela xexe xlet xlox xlpe xolo xote xoxo xpax xpot xpto xtal xtea xtep xtol xxxo xxxx