a-a a-b a-t aaa aab aae aak aas aat ab- aba abb abe abk abs abt aea aeb aee aek aes aet aka akb ake akk aks as- asa asb ase ask ass ast at- ata atb ate ats att baa bab bae bak bas bat bba bbb bbe bbk bbs bbt be- bea beb bee bek bes bet bka bkb bke bkk bks bkt bsa bsb bse bsk bss bst bta btb bte btk bts btt eaa eab eae eak eas eat eba ebb ebe ebk ebs ebt eea eeb eee eek ees eet eka ekb eke eks ekt es- esa esb ese esk ess est eta etb ete etk ets ett k-t ka- kaa kab kae kak kas kat kba kbb kbe kbk kbs ke- kea keb kee kek kes ket kkb kke kkk kks kkt ksa ksb kse ksk kss kst kta ktb kte ktk kts ktt saa sab sae sak sas sat sba sbb sbe sbk sbs sbt se- sea seb see sek ses set sk- ska skb ske skk sks skt ss- ssa ssb sse ssk sss sst sta stb ste stk sts stt taa tab tae tak tas tat tba tbb tbe tbk tbs tbt te- tea teb tee tek tes tet tka tkb tke tkk tks tkt tsa tsb tse tsk tss tst tta ttb tte ttk tts ttt

-ase a-ak a-be aaaa aaab aaae aaas aaba aabb aabt aaea aaes aaka aake aasa aase aass aast aata aatk aatt abaa abab abae abak abas abat abb- abba abbb abbe abbs abbt abee abes abet abs- absa abse abss abta abts aeas aebs aeka aess aest aeta aett akaa akae akas akee akes akka aksa akst akte asaa asab asae asak asas asat asba asea asee asek ases aset aska aske asks askt assa asse assk asss asst asta astb aste asts at-t ataa atab atae atak atas atat atbs atea atee ates atka atkt atsb atse atst atta atte atts baaa baak baas baat baba babb babe babs baek baes bak- baka bake baks bakt basa base bask bass bast bata bate bats batt bbas bbbb bbbs bbeb bbet beak beas beat beba bebb bebe beeb beek bees beet beka beke beks bes- besa bese besk bess best beta bete bets bett bsaa bsas bsat bsea bseb bsee bses bset bskt bsse bsts btaa btek btss bttb eaba easa ease east eata eate eats ebba ebbs ebes ebsa eeea eeee eees eeka eeke eeks eese eesk eeta eete eets eka- ekab ekeb ekek ekes eket ekka ekta esab esas esat esba esbs esea esee esek eses eset eska eske esks essa esse esst esta este ests etak etas etat etee etes etka etta ette kaaa kaab kaak kaas kaat kaba kabb kabe kaes kaet kaka kake kakk kaks kakt kas- kasa kasb kase kask kass kast kat- kata katb kate katk kats katt kbaa kbab kbae kbak kbas kbat kbba kbbb kbbe kbbk kbbs kbbt kbeb kbee kbek kbes kbet kbkb kbkk kbsa kbsb kbsk kbss kbst kbta kbtb kbte kbtk kbts kbtt kea- keak keas keat keba kebb kebe kebt keek kees keet keka kekb keke keks kesa kesb kesk kess kest ket- keta kete ketk kets kett kkaa kkat kkba kkbb kkbe kkbs kkbt kkea kkkk kksa kkse kkss kkst kktk kkts ksab ksak ksas ksat ksba ksbs ksea ksee ksek kset kska kskb kske kskk ksks kssa ksse ksss ksst ksta kstb kste kstk ksts kstt ktaa ktae ktak ktas ktat ktba ktbb ktbt ktea ktee ktek ktkb ktke ktkk ktks ktkt ktsa ktst kttk ktts kttt saab saae saak saas saat saba sabb sabe sabs saeb saek saes saka sakb sake sakk saks sasa sase sask sass sast sata satb sate sats satt sbaa sbas sbbs sbsa sbse sbst sbtk se-e se-k se-s se-t seaa seab seak seas seat seba sebe sebs sebt seea seeb seek sees seet seka seke sekk sekt sesa sese sess sest set- seta sete sets sett skab skat skee skes sket skss ssaa ssab ssas ssat ssee sses sset sssa sssb ssss ssta sstb ssts stab stae stak stas stat stbs stea stee stek stes stet stks stss taa- taas taat taba tabb tabe tabs taes taka take takk taks takt tasa tasb tase task tass tast tata tatb tate tats tatt tbas tbbs tbst tbta teak teas teat teba teek tees teet teka teke tesa tese tess test teta tete tets tett tkts tsaa tsat tses tset tsks tssa tsse tsst tsts ttab ttbb ttss tttt

-aaa- a-sea aaaas aaaee aaasa aaass aaata aabaa aabba aasee aaset abaab ababa ababe ababs abaka abake abasa abase abask abass abate abbas abbat abbes abbet abeat abeba abebe abees abeet abest abets absee abset abtaa aeaea aebbe aetas aetat aka-e akaba akasa akata akbas akees akest aketa akete akkas akste aktas asaak asaba asaka asake asasa asats asbak aseat aseek askas askes asksa assab assas assat asse- asses asset assts astab astas astat astet ataka atake atask atats atbat ateas ateat atest atete atsea attak attas attea baabe baake baata baate babak babas babbs babee babek babes babka babsk bakea bakes bakka bakke baksa bakst basab basak bases baset baska baske basks baskt bassa basse basta baste basts batab batak batas batat batea batek bates batka batsa batta batte batts bbbee beaks bease beast beata beate beats bebat bebek bebes beebe beebs beeke beest beete beets bekaa bekas bekes bekka bekke besas besat besee beset beska bessa besse besta beste bests betas betee betes betke bett- betta bette betts bsaba bseat bskts eaket eases easse easte easts eatat eatsa ebate ebbet eeeee ekata ekkas eksta esbat eseka esses essse estab estak estas estee estes estet etate etats eteke etest etete ettas ettes k-set k-t-b k-tab kaaba kaaks kabaa kabab kabak kabas kabat kabba kabsa kabta kakae kakas kakka kakke kasab kasak kasba kaseb kaset kaska kassa kasta kaste kata- katak katas katat kateb katee katek kates katsa katta keate keats kebab kebbe kebek keeks keest