-tree bbbee be-er beber bebic bebti becic beciu becue becut beebe beeri beete beeut beibi beice beier beire beite berbe bercu berec berei beret berie berit beriu berre berri berru berte berti betee beter betie betre bett- bette betti beuer beure beute bibbe biber bibic bibie bibri bicer biebe biere bieri biert bieti birie birur biter bitit bitru bitte bitti biure brebu brece breer breet breit brere brett breu- bribe brice briec brier brite britt brrrr bruce bruer bruet bruit bruiu bruri brute btc-e btr-t bubbe buber bucci bucet bucic bucie bucur buici buire burcu buret buric burie burri burru burte burtt buruc burut butec buter butit butte butut c-tec ccccc cccii ccett cciii ccitt cebec ceber cebit ceci- cecie cecri ceere ceirt cerbu cerc- cerce cerci cerec cerer ceret ceric cerie cerre certe cetic cette ceuti ciber cibir cicer ciceu cietc circe ciric cirie cirr- cirri citec citee citer citie citr- citte ciuti crebe crece creer crete cretu creu- creue cribb cribe crice crier cruce cruet crure ctree ctrie cttee cubbe cubeb cuber cubi- cubic cubie cubit cubub cucei cucui cuire cuite curbi curce curer curet curic curie curre curri curti cutcu cutee cuter cuti- cutie cutit ebber ebbet ebbie ebert ebibe ebure ecrit eeeee eerie eetti eirie eiter eitri erbbe erber erect erere ericb erice erier eriic erite eritu errtu erte erter eruct etete etite etree etter ettie eturu eubie eucre euric eurre i-bet ibbur ibert ibeti icbrr ice-t iceci iceit icici icier icter ictic icube iebet iecee ieiri ierei iette iiiee iiiii iitti irbit ircii irece irete irite irrit irtec itbit itete itire itter ittre ittti itu-r itu-t ituri ituru itutu iurie rcirc rebbe rebec reber rebet rebit rebut recce recet recit rect- recte recti recue recur recut reece reere reeti reice rere- reree reret reric rerir retee reter retie rette reuer reuet reuir reute reuti ribbi ribce riber ribet ribie ricci ricer riceu rieti ririe riuer rtice rubbi rubee ruber rubie rucci rucer ruere ruete ruiru rurec ruric ruter rutic rutte ruutu tbeti tbtbt tbutt teber tebet tebi- tecic tectb terce teret tereu terre terri tert- teter tetr- tetri tette ti-ti tibbi tibbu tiber tibet tibur ticci ticer tieit tiere tieri tieut tiree tirer tiret tirit tirru tirur titcr titer titii titre titte titti treer treet treib treie treit trere treri trete trett treut tribe tribu trice trieb triei trier triet trieu trit- trite tritt trubu truce truer truit trute ttttt tuber tubi- tubri tucci tucet tuctu tueie tueit tuire tuite turbe turbi turbt turei turet turic turie turit turre turri turtu turut tutee tutie tutte tutti tuubi tuuei tuuri tuuru u-bit u-cee uber- ubirr uitti urbic ureic ureit uribe uric- urite urric urter urubu uruce urucu uruit ururi uruti urutu uter- uteri utier utter uttur utube uturu uuuuu