-er a-a a-b a-t aaa aab aae aaj aar aat ab- aba abb abe abj abr abt aea aeb aee aej aer aet aja ajb aje ajj ajr ajt ar- ara arb are arj arr art at- ata atb ate atr att baa bab bae baj bar bat bba bbb bbe bbr bbt be- bea beb bee ber bet bja bjj bjr bjt bra brb bre brj brr brt bta btb bte btr btt eaa eab eae eaj ear eat eba ebb ebe ebj ebr ebt eea eeb eee eer eet eja ejt era erb ere err ert eta etb ete etj etr ett jaa jab jae jaj jar jat jba jbj jbr jbt jea jeb jee jej jer jet jja jjb jjj jjr jra jrb jrr jrt jta jtb jte jtr jtt ra- raa rab rae raj rar rat rba rbb rbe rbr rbt re- rea reb ree rer ret rja rjr rra rrb rrr rrt rta rtb rte rtj rtr rtt taa tab tae taj tar tat tba tbb tbe tbj tbr tbt te- tea teb tee tej ter tet tje tjr tra trb tre trr trt tta ttb tte ttr ttt

a-be aaaa aaab aaae aaar aaba aabb aabt aaea aara aare aart aata aatt abaa abab abae abaj abar abat abb- abba abbb abbe abbr abbt abee aber abet abra abta aeer aer- aera aeta aetr aett ajab ajar ajat ajba ajee ajet arab arae arar arat arba arbe area aree aret arja arje arr- arra arre arrr arrt arta arte artr at-t ataa atab atae atar atat atea atee ater atra atre atta atte attr baaa baar baat baba babb babe babr baer baja bar- bara barb bare barr bart bata bate batt bbbb bbeb bbet bear beat beba bebb bebe beeb beej beer beet beja bera bere berr bert beta bete bett brab brae braj brat brea breb bree brer bret brje brrr btaa btrt bttb eaba eara earb eare eart eata eate ebba ebbr eber eeea eeee eera eeta eete ejer erat erba erbb erbe ereb erer eret erja erra erre erta etat etbr etee eter etra etre etta ette jaar jaba jabr jaer jaja jara jare jarr jart jbaa jbar jear jeat jebb jebe jeer jeet jera jere jert jeta jetb jete jett jjar jrbr jtar raab raaj raat raba rabb rabe raer raja raje rara rarb rare rata rate ratt rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet reja rera rere rert reta rete retr rett rrat rrrr rtee taa- taar taat taba tabb tabe taer tara tarb tare tarr tart tata tatb tate tatr tatt tbar tbrb tbta tear teat teba teej teer teet teja ter- tera tere terj terr teta tete tetr tett traa trab trae trat tre- trea tree tret trra trte trtr ttab ttbb tter tttt

-aaa- -tree aaaee aaata aabaa aabba aabra abaab ababa ababe abaer abaja abara abare abate abbaj abbar abbat abbet abear abeat abeba abebe abeer abeet abera abere aberr abert abjar abrar abtaa abtar aeaea aebbe aetat aeter ajaja ajara ajeeb ajtte ar-ab araat arab- araba arabe araea arara arare arata arate arbab arbar arbat arbee arber arbet arbre areae arear areat areet arere arete arett arrea arret artar artat artea arter atara atbar atbat atear ateat ater- aterr atete atrab atree attar attea atter attra baabe baaja baart baata baate babar babee baber babra baert bajaj bajer bajra baraa barab barar barat barba barbe barea barer baret barja barje barra barre barta batab batar batat batea bater batra batre batta batte bbart bbbee bbear be-er beara beare beart beata beate bebar bebat beber bebra beebe beete bejar bejra bejte berar berat berba berbe berea beret berja berra berre berta berte betar betee beter betra betre bett- betta bette braat brate bratt breba breer breet brera brere brett brrar brrrr btr-t earar eatat eater eatre ebara ebart ebate ebber ebbet ebert eeeee erate erbaa erbar erbbe erber erear erere errat ertar erte erter etate etete etree etter j-bar ja-ja jaabe jabar jabat jabba jabee jaber jabra jajja jajra jarar jarbe jaret jarre jarte jatar jatra jatta jeate jebat jebba jebet jeera jerre jerte jetee jeter jetta jette ra-ra raaba raabe rabab rabat rabba rabbe rabet rabta rajab rajae rajar rajat rajje rarae rareb raree rarer rataj ratba rateb rater ratje ratra ratta ratte rear- reata reate rebab rebar rebat rebbe reber rebet rebra reere rere- reree reret retab retar retee reter retje retta rette rtejr t-ara t-bar ta-ra ta-ta taart tabae tabar tabat taber tabet tabra tabre tajae tajar tajba tajja tarar tarat taree tarer taret tarja tarra tarre tarta tarte tartt tataa tatar tatee tater tatra tatre tatta tbtbt teaba teaer tear- teara teare teart tebar tebat teber tebet tejaa tejar tejat tera- terat teret terje terra terre tert- tetar tetea teter tetr- tetra tette traba traer trata trate tratt treat treba treer treet trere treta trete trett ttttt

aaaaba abaera abaete abarat abarta abatar abatee abater abatte abbate abbett abeere abejar aberra abrera aerate aetate ajabaj ajatar ajeeta ajrara ararat aratta arbaer arbra areare areata areeta areraj arette arraba arrear arrere arrete artere arteta at-bat ataaba atabae atarba atarra atbara atbear ateret aterre atrata atrate atrear atreat atreet atrete attaea attere atterr attert attjar b-tree baabaa baabar baatar bababe babare babbar babeta bajree baraat baraja barara barata barbae barbar barbat barbee barber barbet barbra barbre bareja barera bareta barete barrat barrea barrer barret bartab barter bartra batara batata batete batter bbbbbb bbbeat bearer beatae beatat beatee beater beebea beebee beerta beeter bejart beraba berare berate berbar berbee berber bereet berere bereta berrer berret bertat bertea bertre betaab betear betere beteta betete bettee better bjerre brataj bratte breare breere bretea brette e-rate eartab ebbert eebree erarta erbare erbree errare errata errate errea errett etaeta etarre jaarja jabara jabbar jabber jabera jaraba jarabe jarett jarjar jatara jatrat jbabra jebata jebbet jeerat jeerer jettee jetter jraber r-tree ra-tet raabta rababa rabate rabbat rabbet rabett rajjar rataje ratare ratata ratbat ratret