-er a-a a-b a-t aaa aab aae aag aar aat ab- aba abb abe abg abr abt aea aeb aee aeg aer aet ag- aga agb age agg agr agt ar- ara arb are arg arr art at- ata atb ate atg atr att baa bab bae bag bar bat bba bbb bbe bbg bbr bbt be- bea beb bee beg ber bet bga bgb bge bgg bgr bgt bra brb bre brg brr brt bta btb bte btg btr btt eaa eab eae eag ear eat eba ebb ebe ebg ebr ebt eea eeb eee eeg eer eet ega egb ege egg egr egt era erb ere erg err ert eta etb ete etg etr ett gaa gab gae gag gar gat gba gbe gbg gbr gbt ge- gea geb gee geg ger get gga ggb ggg ggr ggt gra grb gre grg grr grt gta gtb gte gtg gtr gtt ra- raa rab rae rag rar rat rba rbb rbe rbg rbr rbt re- rea reb ree reg rer ret rga rgb rge rgg rgr rgt rra rrb rrg rrr rrt rta rtb rte rtg rtr rtt taa tab tae tag tar tat tba tbb tbe tbg tbr tbt te- tea teb tee teg ter tet tga tgb tge tgg tgr tgt tra trb tre trg trr trt tta ttb tte ttg ttr ttt

a-be aaaa aaab aaae aaar aaba aabb aabt aaea aage aara aare aart aata aatt abaa abab abae abag abar abat abb- abba abbb abbe abbr abbt abee aber abet abra abta aeer aega aer- aera aeta aetr aett agag agar agat agba agea agee ager aget agga agge agra agre agta agte agtr arab arae arag arar arat arba arbe area aree areg aret arga argb arge arr- arra arre arrg 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 baga bage bagg bagt bar- bara barb bare barg barr bart bata bate batt bbbb bbeb bbet bbga bbrg beag bear beat beba bebb bebe beeb beeg beer beet bega begg bera bere berg berr bert beta bete bett brab brae brag brat brea breb bree breg brer bret brrr btaa btrt bttb eaba eaga eage eara earb eare eart eata eate ebba ebbr eber eeea eeee eega eera eerg eeta eete egaa egae egar egat egba egbe egea egee eger eggb egge egra egre egta egte erat erba erbb erbe ereb erer eret erg- erga ergg erra erre erta etag etat etbr etee eter etra etre etta ette gaar gaba gabb gabe gabr gabt gaea gaer gaga gage gagg gara garb gare garg garr gart gata gate gatr gatt gbag geab gear geat geba gebe geer geet gege gegg gera gerb gere gert geta getb gete getg gett ggbt gggg grab grae grat grbr grea greb gree greg gret grrr gtaa gtbr gtea gtta raab raag raat raba rabb rabe raeg raer raga rage ragg rara rarb rare rata rate ratt rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet rega rege regr regt rera rere rerg rert reta rete retr rett rgba rgbe rgtr rrat rrrr rtee taa- taag taar taat taba tabb tabe taer taga tage tagg tara tarb tare targ tarr tart tata tatb tate tatr tatt tbar tbrb tbta tear teat teba teer teet tega tegg tegt ter- tera tere terr teta tete tetr tett traa trab trae trag trat tre- trea tree treg tret trge trra trte trtr ttab ttbb tter tttt

-aaa- -tree a-get aaaee aaarg aaata aabaa aabba aabga aabra abaab ababa ababe abaer abaga abara abare abate abbar abbat abbet abear abeat abeba abebe abeer abeet abega abege abegg abera abere aberg aberr abert abgar abrar abtaa abtar aeaea aebbe aegae aegea aeger aetat aeter agara agata agate agege agete aggag aggar aggat agger agree agter ar-ab araat arab- araba arabe araea arage arara arare arata arate arbab arbar arbat arbee arber arbet arbre areae arear areat areet arega arere arete arett arget arrea arret arrgt artag artar artat artea arter atara atbar atbat atear ateat ater- aterr atete atgar atger atget atrab atree attar attea atter attra baabe baart baata baate babar babee baber babra baert bagag bagar bagea bager bagga bagge bagra bagre baraa barab barag barar barat barba barbe barea barer baret barga barge 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 beega beete begab begar begat begee beget begga begge berag berar berat berba berbe berea bereg beret berga berge berra berre berta berte betag betar betee beter betra betre bett- betta bette braat braga bragb brage bragg brate bratt breba breer breet breg- brega brege bregg brera brere brett brgat brrar brrrr btr-t e-tag eagar eager eagre earar eatat eater eatre ebara ebart ebate ebber ebbet eberg ebert eeeee egare eggar egger egret erate erbaa erbar erbbe erber erear erege erere ergat errat ertar erte erter etage etate etete etrag etree etter ga-ga gaara gabar gabat gabba gabbe gaber gabra gabre gaeta gaete gagae gagar gagea gager gagge gagra garab garag garba garbe gareb garet garga garra garre garte gatab gater gatra gatta gatte gbara gberg gearb geare geate gebat geber gebet gebre geere geert geeta geete gegar gegge gerar gerba gerbe gerea gerra gerre gertt getab getae getat getee geter getta gette ggaba grabe graea graet gragg grata grate great grebe greer greet grege gregg greta grete grett grgar grrrr ra-ra raaba raabe rabab rabat rabba rabbe rabet rabta ragea ragee rager ragga rarae rarbg rareb raree rarer ratba rateb rater ratra ratta ratte rear- reata reate rebab rebag rebar rebat rebbe rebeg reber rebet rebra reege reere regab regar regat regba reger reget regga regge regtt rere- reree reret retab retag retar retee reter retrg retta rette rraga rragb t-ara t-bag t-bar ta-ra ta-ta taart tabae tabar tabat taber