-tree b-e-d b-r-k bbbee bcced bckdk bd-re be-er bebed bebek beber becke becue becut bedde bedee beder bedet bedub bedue beduk beebe beede beeke beerd beete beeut beker bekke berbe berck bercu berde berdu berec bered berek beret berk- berke berre berru berte betee beter betke betre bett- bette beuer beure beute brebu brece breck bredd brede bredt breed breek breer breet breke brerd brere brett breu- brrrr bruce bruck brud- brude brued bruer bruet bruke brute btc-e btr-d btr-t bubbe buber bucek bucet bucku bucur budde buddu budec budur buker buket bukk- burck burcu burde burek buret burke burru burte burtt buruc burud buruk burut butec buter butke butte butut c-tec ccccc ccett cduce cebec ceber ceded ceder cedr- cedre ceede ceere cerbu cerc- cerce cerec cered cerer ceret cerke cerre certe cette crebe crece crede creed creek creer creke crete cretu creu- creue crked cruce cruck crude cruet cruke crure ctree cttee cubbe cubeb cubed cuber cubub cucuk cudde cuker curce cured curer curet curre cutcu cutee cuter d-cru dc-uk ddddd ddruk debce debed deber debet debke debrc debte debut decet deckc decke decur dedde dedee deder dedur dedut deece deede deere deked derbe derce derde dered derek derke derre derub derue deruk detek deter detre dette detur deuce deure deut- drdre dreck dredd drede dreed drere druce drude du-ku dubec dubee dubek dubuc ducke duded dudek duder duduc duduk duere duerr duete duett duked dukeu dukku durbe dured duree durer duret durre durte durtu dutte e-dee ebbed ebber ebbet ebert ebure ecker edder eddre edere edred edu-k educe educt eecke eeeee eerde ekker ekuku ekuru erbbe erber erdec erdek erdre erdut erect erede erere erkec erred errtu erte erter eruct eruke eteke etete etree etrek etter etude eturu eucre eurre k-b-d k-dee k-t-b k-ute kebbe kebek keber kecer kedde keder kedre keere kekec keked kerek keret kerre kertu ketek keter kette kreek kreke krete kreuk kubed kubek kuber kucer kucuk kudde kudur kukec kukur kurbu kurek kurku kurre kurte kuruc kurud kuruk kutte kuttu kutur rebbe rebec reber rebet rebud rebut recce reced recet recke rect- recte recue recur recut redbd redde reder redub redur reece reede reere rekke rerde rere- reree reret reted retee reter rette reuer reuet reute rt-rk rubee ruber rubke rucer ruder rudkk ruede ruere ruete rukke rurde rurec ruter rutte ruutu tbtbt tbutt tcutk teber tebet tebuk tectb teder teerd teket tekke terce terek teret tereu terre tert- teter tetr- tette trbuk treck treed treer treet trere trete trett treut trubu truce truck trude trued truer truke trute ttttt tubed tubek tuber tucet tucke tuctu tuder tudre tudur tukur turbe turbt turck turek turet turku turre turtu turut tutee tutku tutte tuuru u-cee u-dub uber- uceku udder udert ukcdr ukeke ukert urdee urduk urker urkut urter urubu uruce urucu urutu uter- utrdb utter uttur utube uturu uuuuu