-tree bbbee be-er be-ro bebel beber beblo bebop bebot beebe beeft beele beete beeut beffe befoe befol befor befur belbo belee belef belep belet bellb belle bello belot belue belur belut beofe beoff beote beour bepop beppe beppo beppu berbe berel beret berle berlo berob beroe berol beror berre berru berte berto betee betel beter betle betoo betor betou betre bett- bette betto betul beuer beule beure beute bleep bleer bleet bleft blere blerp blete bleue bloef bloop bloor blorb blore blorp blort blote bloto blott bloue blout bluer bluet bluff blufr bluft blurb blure blurr blurt bluto bo-bo bobet boble bobr bobre bobup boeol boero boeuf boeur bofet boffo bolbe bolel boleo boler bolet boll- bolle bollo bollu bolte bolto booer boole boore boort booru bopet borbo boree borel borer boret borle boro- boroo borot borou borre borro borul borup borut botel botet botou botro botte bottu bouee bouel bouer bouet boul- boule boulo boult boure boute bouto brebu breef breel breer breet brell brelo breo- brere breto brett breu- brobo broer broft brole broll brolo brool broto broue brout brrrr bruer bruet bruff brule brull brute btr-t bubbe buber buble buell bufet buffe buffo bufle bulb- bull- bulle bulou bulto bulul bulut buolt burel buret burle burol buroo burro burru burte burtt burut buteo buter butle buto- butor butot butou butte butuo butut e-pro ebber ebbet ebble ebell ebelo eberl ebert eblul eboue ebull ebure eeeee eeler eepee ef-tu efere efetf effer effet efore eftel efter efuru efutu el-op elbot eleet elele eleo- eleot eleut ellel eller ellet elloe ellul eloee eloff elole eloor elope elore eloro elote elout elpee elper elrob eltro elubo elulu eluru elute eofor eorre epoll epopt epote epptb eptfe epulo epure erbbe erber erept erere eroor erore eroto erpel errol error errtu erte ertel erter erupt etete etoll etool etoro etour etree ettel etter ettle eturu eubro euell euler eurel euro- europ eurre febel feble febre feele feeor feere fefor felet felle felte feltt felup feoff feole ferel feret ferle ferlo ferr- ferre ferro ferte fetel feter feto- fetor fette feuer feule feute fleer fleet flere flero flert flete flett fleur floop floor flore floro floru flote floto flour flout fluff fluo- fluor flurb flure flurr flurt flute folet folle follo foole foore foote fore- forel foreo foret forro forte forto forur fotte fotur fouee fouel fouet foule foupe fourb foure fouro fprot freel freep freer freet frere frett freur frobe froop froot frore frote froup frute fruto ft-lb ftlee ftrtt fu-fu fuero fulbe fulle fullf fullo fulop fulup furbo furel furo- furor futop futur l-pop lebel leber lebet leell leeof leere leert lefeu leffe lefou leftb leful lelep leleu lelle lepel leper lepet lepo- lepor leppe lepre lept- lepto lerer lerot letbe letot letre lette letto letup letur leupp leuro lobbe lobbo lober loble lobo- lobor lofer loffe lofou lofte loler lollo lolol loobu looer looft loopt loore loote loper lopou lorel loreo lorer loret lorre lorup lorut lotof lotor lotru lotte lotto louer loule loupe loure louro lubbe luber luble lubur luebo lufre lufte lulle lulte lulul luper luppe lupul lurer lurue lurup lute- luteo luter lutol lutte lutto o-fer o-r-b obbet obele obert obete obole obolo oboro obote oboue obout obreb oelet oeppo oerel oerle offer offof offre offto ofoto ofour ofpop oftel ofter oleo- olere olleo oller ollup ollur olotu olour oltet oltre oo-er ooooo opele opelt opelu opepe opere oploo oplot opobo opole oppel opper oppol opter opto- optot optto orble orbot orell oreo- orere orero orfeo orfeu orfoe orfor orful orlet orlop orobe orobo oroer orolu orout orret orter ortet ortoo orube oruro orutu otell otelo otere otero otole otolo ototo otour otpor otter ottur otulu oture oubut ouert oullo ouoro oure- ourol outer outof outre outro outto p-rep pebre peebo peebu peele peell peere peerl peert peete pelbo pelee peler pelet pelle pello pelo- peloe pelor pelot pelou peole pepee pepel peple peppe pept- pepto pepup perel perer peret perle perlo perot perou perre perro perte perto perur petbe peter petr- petre petro petru pette petto petur peule peure pforp pfuel plebe pleep pleet plelo pleo- plete pleut ploef ploop ploot plopp plopu plore plote plott plout pluff pluot plupp plut- plute pluto po-po pobe poele poete polbo poler polet polle pollo pollu poloe polop polte polur polut pooer poole poope poopo poore poort poote popel poper popet pople poplr popop poppe poppo popup poreb porer poret porle poro- porro porte porto portu porur poteb potee poter potof potoo potop potor potpe potro potte potto pottu pouer pouff poule poulp poult poupe poure preef preff prell prelp preop prepl prete preto probe probo proer profe proff proft prole proll prolo proof proor proot prop- prope propl propp propr propt prore prot- proto prout prtor prute pter- ptere ptero ptprb ptpre ptprf ptpro ptprr ptprt ptpru puber puble pubo- puelo puero puett puleo puler pull- pulle pullu pulut pupet puple puppe puppo puree purel purer purle puro- purre purte purul puter putor putre putt- putte putto puttu putuo putup re-up rebbe rebel reber rebet rebol rebop rebut reefe reeft reepe reere refel refer refet reffe reffo refut relee relet rello relot relte relue repel repet reple repop repor repot reppe repro reprt repub reput rere- reree reret rerob retee retel reter retop retro rette retto reuel reuer reuet reule reute ro-ro robbe robbo rober roble robo- robop robor robot robrt robte robur roell roero rofel roffe rofor roleo rolfe rolfo rolle rollo rooer roofe rooft roole roope roore roote rooue roper roppe rorbu rorer roteb rotel roter rotfl rotle roto- rotol rotor rotot rotte rotto roubt rouer rouet roufe roule roull roure route routt rperf rprop rptor rubee rubel ruber ruble rubof rubor rubup ruele ruell ruere ruete ruffe ruffo rufo- rufol ruler rullo rupee rupel ruper ruter rutle rutte rutul ruule ruutu t-pop t-top tbolt tbtbt tbutt teber tebet teele teell teepe teeup tefe tele- teleo telep teler teleu tell- telle tello telo- telop teolo teotl