a-ak a-be aaaa aaab aaae aaal aaba aabb aabl aabt aaea aaka aake aala aale aall aata aatk aatt abaa abab abae abak abal abat abb- abba abbb abbe abbt abee abel abet abla able abta aeka aela aeta aett akaa akae akal akee akel akka akle akte alaa alae alak alal alat alb- alba albe alea alee alek alet alk- alka alkb alke all- alla alle alll alta alte at-l at-t ataa atab atae atak atal atat atea atee atel atka atkt atla atle atta atte baaa baak baal baat baba babb babe baek bael bak- baka bake bakl bakt bala bale balk ball balt bata bate batt bbbb bbeb bbet bblb beak beal beat beba bebb bebe beeb beek beel beet beka beke bela bele belk bell belt beta bete bett blaa blab blae blak blat blbt blea bleb blee blek blet blkb btaa btek btla bttb e-la eaba eala eale eata eate ebal ebba ebel ebla eeea eeee eeka eeke eele eeta eete eka- ekab ekeb ekek eket ekka ekta el-b elab elal elat elba elbe elea elee elek elet elka elke ella elle elta elte etak etal etat etee etel etka etla etta ette kaaa kaab kaak kaal kaat kaba kabb kabe kael kaet kaka kake kakk kakt kala kalb kale kalk kall kalt kat- kata katb kate katk katl katt kbaa kbab kbae kbak kbal kbat kbba kbbb kbbe kbbk kbbl kbbt kbeb kbee kbek kbel kbet kbkb kbkk kbkl kbla kblb kble kbll kblt kbta kbtb kbte kbtk kbtl kbtt kea- keak keal keat keba kebb kebe kebt keek keel keet keka kekb keke kekl kela kele kelk kell kelt ket- keta kete ketk kett kkaa kkal kkat kkba kkbb kkbe kkbl kkbt kkea kkkk kklb kkll kktk kktl klaa klab klak klal klat klbb klbe klbl klbt klea kleb klee klek klet klka klkk klkl klla kllb klle kllk kltk kltt ktaa ktae ktak ktal ktat ktba ktbb ktbl ktbt ktea ktee ktek ktel ktkb ktke ktkk ktkt ktla ktlb ktlk ktlt kttk kttt laaa laak laal laat laba labe lael laet laka lake lala lale lall lata late latt leaa leak leal leat leba leea leek leel leet leka leke lekk lela lele lell leta lete lett lkab lkal llat llet llll ltae ltbl ltee ltke taa- taal taat taba tabb tabe tabl tael taka take takk takt tala tale talk tall tata tatb tate tatt tbta teak teal teat teba teek teel teet teka teke tel- tela tele tell telt teta tete tett ttab ttbb tttt