-tree bbbee be-er beber bebti beebe beeft beeri beete beeut beffe befie befit befur beibi beier beife beire beite berbe berei beret berie berit beriu berre berri berru berte berti betee beter betie betre bett- bette betti beuer beure beute bibbe biber bibie bibri biebe biefe biere bieri biert bieti bifer biffi birie birur biter bitit bitru bitte bitti biure brebu breef breer breet breit brere brett breu- bribe brief brier brifu brite britt brrrr bruer bruet bruff bruit bruiu bruri brute btr-t bubbe buber bufet buffe buffi buire buret burfi burie burri burru burte burtt burut buter butit butte butut e-fit ebber ebbet ebbie ebert ebibe ebure eeeee eerie eetti ef-tu efere eferi efetf effer effet effie efrei efter efuru efutu eirie eiter eitri erbbe erber erere erier eriff erite eritu errtu erte erter etete etite etree etter ettie eturu eubie eurre febre feere feier feret ferie ferit ferr- ferre ferri ferte feter feti- fetii fetir fette feuer feute fiber fibr- fibre fieee fieri fifer fifie firee firei firer firie firit firre fitit fitri fitte freei freer freet freir freit frere frett freur frier frite fritt fruit frute ftrtt fu-fu fuite furie furir futur i-bet ibbur ibert ibeti iebet ieiri ierei iette if-- ifere iffet ifrit ifttt iiiee iiiii iitti irbit irete irite irrit itbit itete itfet itfit itire itter ittre ittti itu-r itu-t ituri ituru itutu iurie rebbe reber rebet rebit rebut reefe reeft reere reeti refer refet reffe refit refut reiff rere- reree reret rerir retee reter retie rette reuer reuet reuir reute reuti ri-fi ribbi riber ribet ribie riefe rieti rifer riife ririe riuer rubbi rubee ruber rubie ruere ruete ruffe rufi- rufie ruiru ruter rutte ruutu tbeti tbtbt tbutt teber tebet tebi- tefe teffi teret tereu terif terre terri tert- teter tetr- tetri tette ti-ti tibbi tibbu tiber tibet tibur tieit tiere tieri tieut tiffe tiree tirer tiret tirit tirru tirur titer titii titre titte titti treer treet trefe treff treib treie treif treit trere treri trete trett treut tribe tribu trieb triei trier triet trieu trife trit- trite tritt trubu truer truff truit trute ttttt tuber tubi- tubri tueie tueit tuffe tuffi tufit tufte tuire tuite turbe turbi turbt turei turet turie turit turre turri turtu turut tutee tutie tutte tutti tuubi tuuei tuuri tuuru u-bit uber- ubirr ufere uffie uitti ureit uribe urite urter urubu uruit ururi uruti urutu uter- uteri utier utter uttur utube uturu uuuuu