-ase a-ak a-be aaaa aaab aaae aaaf aaar aaas aaba aabb aabt aaea aaes aafa aafb aaff aaka aake aara aare aars aart aasa aase aasf aass aast aata aatf aatk aatt abaa abab abae abaf abak abar abas abat abb- abba abbb abbe abbr abbs abbt abee aber abes abet abff abra abrs abs- absa abse absf abss abta abts aeaf aeas aebs aeer aeka aer- aera aers aess aest aeta aetf aetr aett afaa afak afar afat afbs afee afek afer afes afet affa affs afft afka afkr afr- afra afre afrs afsa afsb afst afta afte afts akaa akae akar akas akee aker akes akka akr- akra akre aksa akst akte arab arae araf arak arar aras arat arba arbe arbs area aree aref arek ares aret arfa arfb arff arfs arft arka arke arks arr- arra arre arrk arrr arrs arrt ars- arsa arse arsk arst arta arte artr arts asaa asab asae asaf asak asar asas asat asba asea asee asek aser ases aset asfa aska aske askr asks askt asra asrs assa asse assk assr asss asst asta astb aste astr asts at-t ataa atab atae atak atar atas atat atbs atea atee atef ater ates atfb atfe atfs atka atkt atra atre atrk atsb atse atst atta atte attr atts baaa baaf baak baar baas baat baba babb babe babr babs baek baer baes baff baft bak- baka bake bakr baks bakt bar- bara barb bare barf bark barr bars bart basa base basf bask bass bast bata bate batf bats batt bbas bbbb bbbs bbeb bbet beaf beak bear beas beat beba bebb bebe beeb beef beek beer bees beet befa befe beff beft beka beke beks bera bere berk berr bers bert bes- besa bese besk bess best beta bete bets bett bfas bffs bfsr bfta bfts bftt brab brae braf brak bras brat brea breb bree bref brek brer bres bret brka brkb brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bsfa bsff bsfs bskt bsra bsse bsts btaa btaf btek btrt btss bttb eaaf eaba eafb eara earb eare ears eart easa ease east eata eate eats ebba ebbr ebbs eber ebes ebsa eeea eeee eees eefa eefe eeka eeke eeks eera eers eese eesk eeta eete eets efab efas efbr efes efet effa effs efke efsa eft- efta efts eka- ekab ekeb ekek eker ekes eket ekka ekta eraf eras erat erba erbb erbe ereb erer eres eret erfs erft erke erks erra erre errs ersa erse erst erta erts esab esar esas esat esba esbs esea esee esek eser eses eset esfs eska eske esks esra essa esse esst esta este estr ests etak etas etat etbr etee eter etes etfa etfb etfe etka etra etre etta ette f--k faaa faas faba fabe fabs faeb faes fafa fafe faff fake fakt fara farb fare fark farr fars fart fasa fase fass fast fata fate fatf fats fatt fbar fbrs feaf feak fear feas feat feba febs feeb feek feer fees feet fefe feff feke fera ferb fere ferk ferr fers fert fesa fese fess fest feta fete fetr fets fett ffar ffee ffff ffrr ffsa ffss fftf fkab frab frae frak fras frat frea free fres fret frsb frst frta fsas fsra fssa fssf fsta ftea fter ftrs ftsa ftse ftsr kaaa kaab kaaf kaak kaar kaas kaat kaba kabb kabe kabf kabr kaer kaes kaet kafa kafe kaff kafr kafs kaka kake kakk kaks kakt kara karb kare karf kark karr kars kart kas- kasa kasb kase kasf kask kasr kass kast kat- kata katb kate katf katk katr kats katt kbaa kbab kbae kbak kbar kbas kbat kbba kbbb kbbe kbbf kbbk kbbr kbbs kbbt kbeb kbee kbef kbek kber kbes kbet kbfb kbff kbfk kbfr kbfs kbft kbkb kbkf kbkk kbkr kbra kbrb kbre kbrf kbrk kbrt kbsa kbsb kbsk kbsr kbss kbst kbta kbtb kbte kbtf kbtk kbtr kbts kbtt kea- keak kear keas keat keba kebb kebe kebr kebt keef keek keer kees keet kefa kefb keff kefr kefs keft keka kekb keke keks ker- kera kerb kere kerf kerk kerr kers kert kesa kesb kesk kesr kess kest ket- keta kete ketf ketk ketr kets kett kfab kfar kfat kfbk kfbt kfeb kfer kffa kffb kfff kffk kfka kfkb kfra kfre kfrr kfrs kfsa kfse kfsk kfsr kfst kfta kfte kftk kftt kkaa kkar kkat kkba kkbb kkbe kkbr kkbs kkbt kkea kkfr kkfs kkft kkkk kkrb kkre kkrf kkrk kkrr kkrs kkrt kksa kkse kksf kksr kkss kkst kktk kkts krab krae krak krar kras krat krba krbb krbe krbk krbr krbt krea kreb kree kref krek kres kret krfe krff krfs krft krka krke krkk krkr krks krrb krre krrf krrk krrr krrs krrt krsa krse krsf krsk krsr krss krst krta krtk krtr krts ksab ksaf ksak ksar ksas ksat ksba ksbr ksbs ksea ksee ksek kser kset ksfa ksfb ksfe ksfr ksft kska kskb kske kskf kskk kskr ksks ksra ksrb ksrf ksrr ksrs ksrt kssa ksse kssr ksss ksst ksta kstb kste kstk kstr ksts kstt ktaa ktae ktak ktar ktas ktat ktba ktbb ktbr ktbt ktea ktee ktek ktfb ktfs ktkb ktke ktkk ktkr ktks ktkt ktrb ktre ktrf ktrk ktrr ktrs ktrt ktsa ktsf ktsr ktst kttf kttk kttr ktts kttt raab raaf raak raas raat raba rabb rabe rabk rabs raef raer raes rafa rafe raff raft raka rake rakk rakt rara rarb rare rarf rark rars rasa rase rask rass rast rata rate ratf ratk rats ratt rbaf rbbb rbbr rbbs rbss rbst rea- reae reaf reak rear reas reat reba rebb rebe rebk rebs reeb reef reek rees reet refe reff refr refs reft reka reke reks rekt rera rere rers rert resa rese ress rest reta rete retr rets rett rfae rfef rkkf rkss rkts rras rrat rrrr rsaa rsaf rsee rsre rssa rsts rtas rtbf rtee rtes rtfb rtss rtts saab saae saaf