-er a-a a-b a-t aaa aab aae aar aat ab- aba abb abe abr abt aea aeb aee aer aet ar- ara arb are arr art at- ata atb ate atr att baa bab bae bar bat bba bbb bbe bbr bbt be- bea beb bee ber bet bra brb bre brr brt bta btb bte btr btt eaa eab eae ear eat eba ebb ebe ebr ebt eea eeb eee eer eet era erb ere err ert eta etb ete etr ett ra- raa rab rae rar rat rba rbb rbe rbr rbt re- rea reb ree rer ret rra rrb rrr rrt rta rtb rte rtr rtt taa tab tae tar tat tba tbb tbe tbr tbt te- tea teb tee ter tet 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 abar abat abb- abba abbb abbe abbr abbt abee aber abet abra abta aeer aer- aera aeta aetr aett arab arae arar arat arba arbe area aree aret 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 bar- bara barb bare barr bart bata bate batt bbbb bbeb bbet bear beat beba bebb bebe beeb beer beet bera bere berr bert beta bete bett brab brae brat brea breb bree brer bret brrr btaa btrt bttb eaba eara earb eare eart eata eate ebba ebbr eber eeea eeee eera eeta eete erat erba erbb erbe ereb erer eret erra erre erta etat etbr etee eter etra etre etta ette raab raat raba rabb rabe raer rara rarb rare rata rate ratt rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet 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 teer teet ter- tera tere 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 abara abare abate abbar abbat abbet abear abeat abeba abebe abeer abeet abera abere aberr abert abrar abtaa abtar aeaea aebbe aetat aeter 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 baart baata baate babar babee baber babra baert baraa barab barar barat barba barbe barea barer baret 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 berar berat berba berbe berea beret 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 ra-ra raaba raabe rabab rabat rabba rabbe rabet rabta rarae rareb raree rarer ratba rateb rater ratra ratta ratte rear- reata reate rebab rebar rebat rebbe reber rebet rebra reere rere- reree reret retab retar retee reter retta rette t-ara t-bar ta-ra ta-ta taart tabae tabar tabat taber tabet tabra tabre tarar tarat taree tarer taret tarra tarre tarta tarte tartt tataa tatar tatee tater tatra tatre tatta tbtbt teaba teaer tear- teara teare teart tebar tebat teber tebet tera- terat teret 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 aberra abrera aerate aetate ararat aratta arbaer arbra areare areata areeta 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 b-tree baabaa baabar baatar bababe babare babbar babeta baraat barara barata barbae barbar barbat barbee barber barbet barbra barbre 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 beraba berare berate berbar berbee berber bereet berere berrer berret bertat bertea bertre betaab betear betere beteta betete bettee better bratte breare breere bretea brette e-rate eartab ebbert eebree erarta erbare erbree errare errata errate errea errett etaeta etarre r-tree ra-tet raabta rababa rabate rabbat rabbet rabett ratare ratata ratbat ratret rattar rattat ratter re-bar rearea rearer reatta rebata rebate rebear rebeat rerate retear reteer reteet retere retree retret retter t-babe t-barb t-tree taarab taarte tabara tabare tabata tabbat tabber tabeer tabere tabert tabrer tabret taraba tarara tarare tarata tarbet tarrar tarrer tarret tartar tarter tartr- tartre tataat tataee tatara tatbeb tattat tattee tatter teabar tearat tearer teater teatre tebera teebee teetee teeter terat- terata tereba terete terrae terrar terrat terrer terret terter tertre tetara tetete tetra- tetter tra-ra trabea trebra treeat treete tretar tretee trette

abatete abatter abettee abetter aetbaar arabata arabber arbetet arearea arearer arreare arreter ateeter attatba baabarr babatte babbart babetta babette barabra baratte barbara barbata barbate barbera baretta barette barratt barrera barrere barrett barrtab bartree batabat battert bbbbbbb beetree berater berbara berbera berbere beretta berrett bertree betera eat-bee etretat rabbate rabbett rabeeta rat-tat ratatat ratbert re-beat rebater reteere reterre retreat retrete rettert tabaret tabarra tabarre tabarte taberer tabrere tarbert tarette tarrare tarrere tartare tat-tat tatraea teaette teatree terebra terere terreer terrere tetart- tetrate tettete trabeae trabert treatee treater trebata trebeta treerat treetee trettre

aberrate aratrate arbeteta areaette baeterra bar-abba barabara barbarea barbatre barbetta barbette barebear barrater barreter barretta barrette barterer batatara batteree batterer bbbbbbbb beatbeet bebatter bebetter beeeater beerbrat berebere berretta betterat betterer brattata brerbear etbetter