perl pero perp perr pert pete peto petr pett pger pglo plbg plbr ple- pleb plee pleg pleo plet plob plog ploo plop plot plpp pltg pltt pobo poel poer poet poge pogg pogo pole polg poll polo polt pool poop poor poot pop- pope popo popp popt porb pore porg poro porr port pote poto pott pper pple pplo pppo pppp pptt pre- preb pree preg prel prep pret prle prlr pro- prob proe prog prol proo prop prot prtp prtr ptbl pter ptol ptop rbbb rbbr rble rebb rebe rebo reeb reel reep reet rege regl rego regr regt relb rele rell relo relp relt reog reol reop reot repe repl repo repp repr rept rere rerg rero rert rete reto retr rett rgbe rgtr rlee rob- robb robe robo robt roeg roel roer roet roge rogg rogo role roll rolo rolp rolt roob roog rool roop roor root rope ropo rore roro rort rote rotg rotl roto rotr rott rpet rpob rpoe rrle rrrr rtee rtle rtlt rttp tbrb tbtp tebo teel teer teet tegg tego tegt tel- tele telg tell telo telt teor tepe tepp ter- tere tero terp terr tete teto tetr tett tgel tgle tobe tobo tobt toee toer toet toge togo togr togt tol- tole toll tolo tolt tool toor toot top- tope topo topp topt tore torg toro torp torr tort tote toto totr tott tpbg tpeg tper tpol tppp tppr tpte tptp tptr tre- tree treg treo tret trge troe trog troo trop trot trpe trpg trpp trte trtr ttbb tteo tter ttoe ttop tttt

-tree bbbee be-er be-ro bebel beber beblo bebog bebop bebot beebe beele beete begee beget begge begle begob begor begot begto belbo belee beleg belep belet belge belgo bellb belle bello belot beote bepop beppe beppo berbe bereg berel beret berge berle berlo berob beroe berol beror berre berte berto betee betel beter betle betoo betor betre bett- bette betto bleep bleer bleet blere blerp blete bloop bloor blorb blore blorp blort blote bloto blott bo-bo bobet boble bobr bobre boege boeol boero bogel boger boget bogge bogle bogoe bogor bogot bolbe bolel boleo boler bolet bolge boll- bolle bollo bolte bolto booer boole boore boort bopet borbo boree borel borer boret borge borgo borle boro- boroo borot borre borro botel botet botro botte breel breer breet breg- brege bregg brell brelo breo- brere breto brett brlog brobo broer brole broll brolo brool broto brrrr btr-t e-pro ebber ebbet ebble ebell ebelo eberg eberl ebert eeeee eeler eepee egger eglog egret el-op elbot eleet elele eleo- eleot elge elgee elger elgol ellel eller ellet elloe eloee eloge elole eloor elope elore eloro elote elpee elper elrob eltro eorre epoll epopt epote epptb erbbe erber erege erept erere ergo- ergot eroge eroor erore eroto erpel errol error erte ertel erter etete etoll etool etoro etree etrog ettel etter ettle g-log gbelo gberg gbpee gebel geber gebet gebre geebo geere geert geete gegge gelee geler gelle gello gelpe gelto geoop georg geppo gerbe gerbo gerle gerre gertt getee geter getgo gette getto glebe gleep gleer gleet glegg glele glere glete glett globe globo gloet glogg gloop gloor glope glore glote glott glpro go-go go-lo go-oo go-op go-to gobbe gobbo gobel gobeo gobet gobot gogel goget gogle gogol gogro golbo golee golet golle golob golog golol golop golpe goobo googe goole goore goote goper goplo goppe gopro gorbe goree gorel gorer gorge gorgl gorgo gorle gorlo gorre goter gotoo gotop gotor gotto grebe grebo greer greet grege gregg grego grell greot grepe grepo grete gretl grett groel groet groge grogg grole groll groop groot grope gropp grote grott grrrl grrrr gtool gtplt gtrot l-pop lebel leber lebet leell leere leert leger legge leggo legto lelep lelle lepel leper lepet lepo- lepor leppe lepre lept- lepto lerer lerge lerot letbe letgo letot letre lette letto llerg lobbe lobbo lober loble lobo- lobor logge logo- logol loler lollo lolol looer looge loopt loore loote loper lorel loreo lorer loret lorre lotor lotte lotto o-r-b obbet obele oberg obert obete oblog obole obolo oboro obote obreb oelet oeppo oerel oerle oggel oggle ogler ogogo oleo- olere olleo oller oltet oltre oo-er oogle ooooo opele opelt opepe opere oploo oplot opobo opole oppel opper oppol opter opto- optot optto orble orbot orell oreo- orere orero orgel orgle orlet orlop orobe orobo oroer orret orrgo orter ortet ortoo otego otell otelo otere otero otole otolo ototo otpor otter p-rep pebre peebo peege peele peell peere peerl peert peete pegol pelbo pelee peleg peler pelet pelle pello pelo- peloe pelog pelor pelot peole pepee pepel peple peppe pept- pepto perel perer peret perge pergo perle perlo perot perre perro perte perto petbe peter petr- petre petro pette petto pgrep plebe pleep pleet plege plegg plelo pleo- plete plogg ploop ploot plopp plore plote plott po-po pobe poele poete pogge pogle polbo poler polet polle pollo poloe polog polop polte pooer poole poope poopo poore poort poote popel poper popet pople poplr popop poppe poppo poreb porer poret porge porgo porle poro- porog porro porte porto poteb potee poter potoo potop potor potpe potro potte potto prego prell prelp preop prepg prepl prete preto probe probo proer progg prole proll prolo proor proot prop- prope propl propp propr propt prore prot- proto prtor pter- ptere ptero ptprb ptpre ptprg ptpro ptprr ptprt rebbe rebeg rebel reber rebet rebol rebop reege reepe reere regel reger reget regge reggo regle regtl regtt relee relet rello relog relot relte reorg repeg repel repet reple repop repor repot reppe repro reprt rere- reree reret rerob retee retel reter retgo retop retrg retro rette retto ro-ro robbe robbo rober roble robo- robop robor robot robrt robte roell roero roger roget rogge roleo rolle rollo rooer rooge roole roope roore roote roper roppe rorer roteb rotel roter rotge rotle roto- rotol rotor rotot rotte rotto rprop rptor t-pop t-top tbolt tbtbt teber tebet teege teele teell teepe tegel tegre tele- teleg teleo