-ase a-be aaaa aaab aaae aaar aaas aaba aabb aabt aaea aaes aara aare aars aart aasa aase aass aast aata aatt abaa abab abae abar abas abat abb- abba abbb abbe abbr abbs abbt abee aber abes abet abra abrs abs- absa abse abss abta abts aeas aebs aeer aer- aera aers aess aest aeta aetr aett arab arae arar aras arat arba arbe arbs area aree ares aret arr- arra arre arrr arrs arrt ars- arsa arse arst arta arte artr arts asaa asab asae asar asas asat asba asea asee aser ases aset asra asrs assa asse assr asss asst asta astb aste astr asts at-t ataa atab atae atar atas atat atbs atea atee ater ates atra atre atsb atse atst atta atte attr atts baaa baar baas baat baba babb babe babr babs baer baes bar- bara barb bare barr bars bart basa base bass bast bata bate bats batt bbas bbbb bbbs bbeb bbet bear beas beat beba bebb bebe beeb beer bees beet bera bere berr bers bert bes- besa bese bess best beta bete bets bett brab brae bras brat brea breb bree brer bres bret brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bsra bsse bsts btaa btrt btss bttb eaba eara earb eare ears eart easa ease east eata eate eats ebba ebbr ebbs eber ebes ebsa eeea eeee eees eera eers eese eeta eete eets eras erat erba erbb erbe ereb erer eres eret erra erre errs ersa erse erst erta erts esab esar esas esat esba esbs esea esee eser eses eset esra essa esse esst esta este estr ests etas etat etbr etee eter etes etra etre etta ette raab raas raat raba rabb rabe rabs raer raes rara rarb rare rars rasa rase rass rast rata rate rats ratt rbbb rbbr rbbs rbss rbst rea- reae rear reas reat reba rebb rebe rebs reeb rees reet rera rere rers rert resa rese ress rest reta rete retr rets rett rras rrat rrrr rsaa rsee rsre rssa rsts rtas rtee rtes rtss rtts saab saae saar saas saat saba sabb sabe sabr sabs saeb saer saes sara sare sarr sars sart sasa sase sass sast sata satb sate satr sats satt sbaa sbar sbas sbbs sber sbsa sbse sbst se-e se-s se-t seaa seab sear seas seat seba sebe sebs sebt seea seeb seer sees seet sera serb sere serr sers sert sesa sese sess sest set- seta sete sets sett sras sreb sres srta srtr ssaa ssab ssas ssat ssbr ssee sses sset ssra ssrs sssa sssb ssss ssta sstb ssts stab stae star stas stat stbs stea stee ster stes stet stra stre strs stss sttr taa- taar taas taat taba tabb tabe tabs taer taes tara tarb tare tarr tars tart tasa tasb tase tasr tass tast tata tatb tate tatr tats tatt tbar tbas tbbs tbrb tbst tbta tear teas teat teba teer tees teet ter- tera tere terr ters tesa tese tess test teta tete tetr tets tett traa trab trae tras trat tre- trea tree tres tret trra trst trte trtr tsaa tsar tsat tses tset tssa tsse tssr tsst tsts ttab ttbb tter ttss tttt