kckc kckk kckr kcrc kcrg kcri kcrr kcrt kctb kctc kcte kcti kebb kebc kebe kebi kebr kebt kecg keck kecr keek keer keet kege kegg kegi kegk kegr keib keig keii keik keir kekb kekc keke keki ker- kerb kerc kere keri kerk kerr kert ket- ketc kete keti ketk ketr kett kgbb kgbc kgbr kgbt kgcb kgcc kgce kgcr kgeb kgec kget kggg kggi kggr kgir kgrb kgrc kgre kgrg kgri kgrk kgrr kgrt kgtk kibb kibc kibe kibg kibi kibr kibt kicb kicc kice kicg kick kicr kict kier kigc kiic kiii kiik kiit kikc kiki kikk kikr kikt kirb kirc kiri kirk kirr kirt kitc kite kitg kiti kitr kitt kkbb kkbe kkbg kkbi kkbr kkbt kkcb kkci kkck kkcr kkct kkeg kkgb kkgr kkic kkik kkit kkkk kkrb kkrc kkre kkrk kkrr kkrt kktc kktk krbb krbe krbg krbi krbk krbr krbt krcb krcc krce krcg krci kreb krec kree krei krek kret krgi krgt krib krik krit krkc krke krki krkk krkr krrb krrc krre krrg krri krrk krrr krrt krtc krti krtk krtr ktbb ktbc ktbg ktbr ktbt ktcc ktce ktck ktcr ktec ktee kteg ktek ktge ktgg ktgr ktib ktic ktie ktig ktik ktkb ktkc ktke ktkk ktkr ktkt ktrb ktrc ktre ktrg ktri ktrk ktrr ktrt kttc kttg ktti kttk kttr kttt rbbb rbbr rcbc rccb rccc rcet rcgc rcic rcrg rctc rctg rcti rebb rebe rebk recc rece reci reck recr rect reeb reek reet rege regi regr regt reii reik reir reit reke reki rekt rere rerg reri rert rete reti retr rett rgbe rgbi rgit rgtr rib- ribe ricc rice rick rict riek rier riet rige rigg rigi rike riki rikk rire riri rite riti ritt rrrr rtcc rtce rtcg rtee rtei rtkg tbcb tbcc tbce tbit tbrb tccc tctc teck tecr tect teec teek teer teet tegg tegi tegt teic teie teir teke ter- terc tere teri terk terr tete teti tetr tett tgcc tgtc tibi ticc tice tick tie- tiee tiei tier tiet tige tigi tigr tiit tike tiki tirb tire tiri tirr titc tite titi titt tkkg trcc tre- trec tree treg trei trek tret trge tri- trib tric trie trig trik trit trtc trte trtr ttbb tter ttkg tttt

-tree b-r-k bbbee be-er bebek beber bebic bebti becic becke becki beebe beeke beeri beete begee beget begge begic begti beibi beice beier beige beire beite beker bekir bekke bekti berbe berck berec bereg berei berek beret berge bergi berie berig berit berk- berke berre berri berte berti betee beter betie betke betre bett- bette betti bibbe biber bibic bibie bibri bicer bicke biebe bieke biere bieri biert bieti big-i bigge bigig biker bikie birck birgi birie bitek biter bitit bitki bitte bitti bkite brece breck breek breer breet breg- brege bregg breik breit breke brere brett bribe brice brick briec brieg brier brige brigg brigi brike brite britt brkic brrrr btc-e btr-t c-kit c-tec ccccc cccii ccett cciii ccitt cebec ceber cebit ceci- cecie cecri ceere cegge ceirt cerc- cerce cerci cerec cerer ceret cerge ceric cerie cerik cerke cerre certe cetic cetki cette ciber cibir cicek cicer cicke cieck cietc circe circk cirge ciric cirie cirke cirr- cirri citec citee citer citie citr- citte ckick crebe crece creek creer cregg creke crete cribb cribe crice crick crier crike ctree ctrie cttee ebber ebbet ebbie eberg ebert ebibe ebike ecker ecrit eecke eeeee eerie eerik eetti egger eggie eggig egrek egret eicke eiger eiker eirie eiter eitri ekbir ekici ekker erbbe erber erceg erect erege erere ericb erice erick erier eriic erite erkec erkki erte erter eteke etete etike etite etree etrek etter ettie gbeke gberg gbiti gciii geber gebet gebke gebre geere geert geete gegge gegic geier geige geire geite geitt gerbe gerbi gerce gerik gerke gerre gerri gertt getee geter getic getik getit gette getti gibbe gibbi giber gibi- giger gigge gikii girei giric girik gitic gitie gitig gitit grbic grcic grebe grece greci greek greer greet grege gregg greig greit grete grett grgic grice grick grieg grier griet grigg grike grite grrrr gtk-- i-bet i-rtk iberg ibert ibeti ibrik icbrr ice-t iceci iceit icici icier icker icter ictic iebet iecee ieiri ierei iette iggri igigi iiiee iiiii iitti ikbke ikbkg ikire irbit ircii irece iregi irete iriki irite irker irreg irrit irtec itbig itbit itete itget itigi itire itter ittre ittti k-gee k-t-b kebbe kebek keber kebir kecer keere keeri keget keiki keire keiri keitt kekec kekri kerei kerek keret kerie kerik kerre kerri ketek keter ketib kette ketti kibbe kibbi kibei kibet kibi- kickt kieke kiger kiiki kikki kirck kirgi kirie kirke kirki kirre kitee kiter kitic kitir kitki kitte kitti kreek kreke kreki krete kribi krici krick krieg kriek krier krige krike kriti rcirc rebbe rebec rebeg reber rebet rebit recce recet recit recke rect- recte recti reece reege reere reeti regec reger reget regge regie regii regtt reice reick reiek reigi reike reiki rekke rere- reree reret reric rerig rerik rerir retee reter retie retki retrg rette ribbi ribce riber ribet ribie ricci ricer ricki rieti rig-i riget rikei riker rikki ririe ritek rt-rk rtice tbeti tbtbt teber tebet tebi- tecic tectb teege tegbi teggi tegic tegir tegre teige teiki teket tekir tekke tekki tekti terce terek teret terge terki terre terri tert- teter tetr- tetri tette ti-ti tibbi tiber tibet ticci ticer tieck tieit tieke tiere tieri tigcc tiger tigit tigre tigri tiigi tikei tiket tikit tikki tikri tiree tirer tiret tirig tirit titcr titer titig titii titik titre titte titti tkiet tkirk treck treer treet treg- treib treie treit trere treri trete trett tribe trice trick trieb triei trier triet trige trigg trike triki trikk trit- trite tritt ttttt

b-tree bbbbbb bebite becice becker becket beebee beegee beeker beeter begbie begec begeck begger begirt beiber beiger bekick bekker bekric berbee berber bercke bereet berege bereke berere berger bergie berker berrer berret berric berrie bertie bertre betere betete betire bettee better bettie bettik bgtbcc bibber biberg bibice