-er a-a a-b a-t aaa aab aae aar aas aat ab- aba abb abe abr abs abt aea aeb aee aer aes aet ar- ara arb are arr ars art as- asa asb ase asr ass ast at- ata atb ate atr ats att baa bab bae bar bas bat bba bbb bbe bbr bbs bbt be- bea beb bee ber bes bet bra brb bre brr brs brt bsa bsb bse bsr bss bst bta btb bte btr bts btt eaa eab eae ear eas eat eba ebb ebe ebr ebs ebt eea eeb eee eer ees eet era erb ere err ers ert es- esa esb ese esr ess est eta etb ete etr ets ett ra- raa rab rae rar ras rat rba rbb rbe rbr rbs rbt re- rea reb ree rer res ret rra rrb rrr rrs rrt rsa rsb rse rsr rss rst rta rtb rte rtr rts rtt saa sab sae sar sas sat sba sbb sbe sbr sbs sbt se- sea seb see ser ses set sr- sra srb sre srr srs srt ss- ssa ssb sse ssr sss sst sta stb ste str sts stt taa tab tae tar tas tat tba tbb tbe tbr tbs tbt te- tea teb tee ter tes tet tra trb tre trr trs trt tsa tsb tse tsr tss tst tta ttb tte ttr tts ttt

-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

-aaa- -tree a-sea aaaas aaaee aaasa aaass aaata aabaa aabba aabra aarts aasee aaset aasra aatsr abaab ababa ababe ababs abaer abara abare abasa abase abass abate abbar abbas abbat abbes abbet abbrs abear abeat abeba abebe abeer abees abeet abera abere aberr abert abest abets abrar abras abres absar absee abset abstr abtaa abtar aeaea aebbe aeres aerts aetas aetat aeter ar-ab araat arab- araba arabe arabs araea arara arare arars arase arass arata arate arbab arbar arbas arbat arbee arber arbet arbre areae arear areas areat arees areet arere arese arest arete arets arett arras arrea arres arret arsat arses arset arste artar artas artat artea arter artes asaba asara asare asasa asats asear aseat aseer asere asers asrar assab assas assat asse- asser asses asset assts astab astar astas astat aster astet astr- astra astre atara atars atats atbar atbat atear ateas ateat ater- aterr atest atete atrab atras atree atres atrst atsea attar attas attea atter attra baabe baars baart baata baate babar babas babbs babee baber babes babra baers baert baraa barab barar baras barat barba barbe barbs barea barer bares baret barra barre barrs barsa barse barss barst barta barts basab basar baser bases baset basra bassa basse basta baste basts batab batar batas batat batea bater bates batra batre batsa batta batte batts bbart bbbee bbear bbser be-er beara beare bears