-tree bbbee be-er be-ro bebel beber beblo bebot bebti beebe beele beeli beeri beete beeut beibi beier beire beite belbo belee belet belew belie belit beliu bellb belle belli bello belot below belue belur belut belwe beoir beote beour berbe berei berel beret berie beril berio berit beriu berle berli berlo berob beroe berol beror berow berre berri berru berte berti berto berwe betee betel beter betie betio betle betoo betor betou betow betre bett- bette betti betto betul beuer beuil beule beure beute bewer bewet bewit bewte bi-lo bibbe bibbo bibel biber bibie bibio bible bibow bibri biebe biele biere bieri biert bieti bilbe bilbi bilbo bilel bilew bili- bille billi billo billu billw bilut biore bioue bioul birel birie birle birol birou birur bitel biter bitit bitle bitru bitte bitti bitto biure biwer biwit bleer bleet bleib bleit blere blete bleue blewe blier blirt blite blitt bliue bloor blorb blore blort blote bloto blott bloue blout blow- blowe blowt bluer bluet bluie blurb blure blurr blurt bluto bo-bo bobbi bobet boble bobr bobre bobri boeol boero boeur boibe boier boilo boire boiro boite boito bolbe bolel boleo boler bolet boll- bolle bolli bollo bollu bolow bolte bolti bolto booer booit boole boore boort booru boowe borbo boree borel borer boret borio borle boro- boroo borot borou borow borre borro borul borut borwe botel botet botew botie botou botro botte botti bottu bouee bouel bouer bouet boul- boule bouli boulo boult boure bouri boute bouto bouwe bowel bower bowet bowie bowil bowle bowli bowlt bowow bowre bowte bowto brebu breel breer breet breil breit brell brelo breo- brere breto brett breu- brewe bribe briel brier brill briot briou brite brito britt brobo broer broil brole broll brolo brool broto broue brout browe brrrr bruer bruet bruit bruiu brule brull bruri brute btile btr-t bubbe buber buble bueil buell buile built buire bulb- bulbi buliu bull- bulle bulli bulou bulow bulti bulto bulul bulut buolt burel buret burie burio burle burli burol buroo burow burri burro burru burte burtt burut burwe buteo buter butit butle buto- butor butot butou butte butuo butut bwiti bwool ebber ebbet ebbie ebble ebell ebelo eberl ebert ebibe ebill eblul eboli eboue ebrio ebull ebure eeeee eeler eerie eetti eieio eiler eilet eillo eilot eirie eitel eiter eitri elbie elbot elbow eleet elele eleo- eleot eleri eleut eliel eliot elite ellel eller ellet ellie ellio elloe ellul eloee eloie eloit elole eloor elore eloro elote elout elrio elrob eltio eltro elubo elulu eluru elute elwro eoile eolie eorre erbbe erber erbil erere erewe erier erio- eriol erite eritu eroor erore eroto errew errol error errtu erte ertel erter ertil etete etile etio- etite etoll etool etoro etour etree ettel etter ettie ettle eturu etwee eubie eubro euell euler eurel euro- eurre ewell ewert ewloe ewlow i-beo i-bet i-bot ibbur ibele ibero ibert ibeti ibibo ibill ibore iebet ieiri ierei ieroe iette iiiee iiiii iitti ilebo ileo- ileri ilio- illbe iller illit illow illui ilobu ilori ilote ilowo ilter iltur ilulu iobit ioooi ioooo iorio iotit iotti irbit irele irete irewe iriel irill irite irobo irori irour irrel irrit irule itbit itele itell itero itete itewe itire itobi itour itout ittel itter ittoo ittre ittti itu-r itu-t ituri ituro ituru itutu itweb iuliu iurie iwere iwill iwore iworo iwowe iwrit lbowo lebel leber lebet lebow leeli leell leere leert leeuw leibi leile leill leio- leire leiro leite lelei leleu lelio lelle lelli leoii leoti lerer lerie leroi lerot letbe letil letit letot letow letre lette letto letur leuro lewer lewit lewre lewte libbe libel liber liboi libor libre libri libro libru liebe lieli liere liero lieto lieut lilet lilie liliu liliw lille lilli lillo lilou liour liril lirio lirot lirui litel liter litir litre littb litte litti litui liubo liule liuli liure lobbe lobbo lober lobi- lobie lobio lobir loble lobo- lobor loeil loeri loewe loewi loibl loilo loire lolei loler lolli lollo lolol lolti loobu looer looie loore loote loowe lorel loreo lorer loret lorie lorio lorre lorri lorut lotio lotor lotow lotru lotte lotti lotto louer louie louit loule loure louri louro lower lowie lowii lowre lowte lubbe lubei luber lubie luble lubow lubur luebo luire luiro luite lulle lulli lulte lulul lurer lurie lurio lurue lute- luteo luter lutol lutow lutte lutto lutui luuri lwewo lwiii o-r-b obbet obeie obele obeli obert obete obiwu oblio obole oboli obolo oboow oboro obote oboue obout obowo obreb obrow oeiro oelet oelib oerel oerle oiler oilet oilit oille oirot oitti olei- oleo- olere olier olite oliue ollei olleo oller ollie ollio ollur olotu olour oltet oltre oo-er oobit ooioo oolie ooooo oorie oowee orbit orble orbot orebi orell oreo- oreoi orere orero oribe oribi oriel orill oriol orito orlet orlow orobe orobo oroer orolu orout orret orrow orter ortet ortoo ortwo orube oruro orutu orwoe otell otelo otere oteri otero otile otobi otole otoli otolo otori ototo otour otter ottir ottoi ottur otulu oture oubit oubut ouert ouir- oullo ouoro oure- ourie ourol outer outie outre outro outto ouwer oweit owelu oweto owler owlet owre- owte- owtte owwie rebbe rebel reber rebet rebit rebol rebut reere reeti reewe reile reill relee relet relie relit relli rello relot relte relue reoil reoli reoti reowe rere- reree reret rerir rerob rerow retee retel reter retew retie retil retow retro rette retto reuel reuer reuet reuil reuir reule reuli reute reuti reuwe rewel rewer rewet rewle rewli rewll ribbi ribel riber ribet ribie ribo- ribot rieti rieul riler rille rillo rioli riolo ririe riuel riuer riwle ro-ro robbe robbi robbo rober robie roble robo- robor robot robrt robte robur roell roero roewe roile roiot roite roleo rolle rollo rooer roole roore roote rooue rorbu rorer roteb rotel roter rotie rotle roto- rotol rotor rotot rotte rotti rotto roubt rouer rouet roule roull roure route routt rouwe rowel rower rowet rowle rowte rowto rowwe rubbi rubee rubel ruber rubie rubio ruble rubor ruele ruell ruere ruete ruili ruiru ruler rulli