free freo fret frob froe frog froh frot frou frub frue frug fter ftub fubb fubu fuet fuff fufu fuge fugh fugo fugu fuor fur- fure furg furo furr furt fute futo futu gbbo gebe geer geet gefe geft gege gegg gego geht gehu geo- geof geog gerb gere gero gert geru getb gete getg geth geto gett geue gfer gfor ggbt ggfg gggg gghg ghee gheg ghrf ghug gobe gobo goef goer gofe goff gofr gofu gogh gogo gohb goof goog goor goot gorb gore gorf gorg goro gorr gort gote goth goto gott gou- gouf goug gour gout grbr greb gree gref greg gret greu grob grof grog groh groo gror grot grou grrr grub grue gruf grug grur grut gtbr gtfo gtoe gubb gubu guer guff gugb guge gugg gugh gugu guhe guhr gurb gure gurg gurh guro gurr gurt guru gute guth guto gutt gutu hbtu hebb hebe hebo hebr heeb heef heeg heer heet hefe heft hege hegg hegh hego hehe heho heor heou herb here herg hero herr hert heru hete heth heto hett hetu heue heug heur hhgg hhhh hhof hobe hobo hoer hofe hoff hofu hoge hogg hogh hogo hogu hohe hoho hooe hoof hoor hoot hore horg horo horr hort hotb hote hoth hoto hotr hott hotu houe houf hour hout hree hrob hrtb hrte htet htoh httr hubb hube hubo huer huet hufe huff hufu huge hugg hugh hugo huhu huor huot hure huro hurr hurt huru hute huth huto hutt hutu huub o-eo obbo ober obet oboe obor obot obre obrh obro obuh oegb oere oeuf ofer off- offe offh offo offr offu ofgo ofor ofre ogb ogbe ogee oger ogfr ogge oght ogog ogou ogre ogro ohbe ohee oher ohgr ohho ohob ohoh ohre ohte ohto ohtu oobe ooer ooff ooho oooh oooo oore oort ootb orbb orbe orbo orbu ore- oreb oreg oreh oreo orer orfe orff orfu orge orgo orhe oro- oroe orof oror orot orro orte orth orto orub otee oter othe otho othr oto- otoe otof otog otoh otoo otor otre otro otte otto ottu otur ouer oufe ouff ouge ough our- oure ouro ourt out- outb oute outh outo ouu- rbbb rbbr rbgh rboh rebb rebe rebo rebu reeb reef reet refe reff refg refr reft refu rege rego regr regt regu rehb rehe reht reof reog reot reou rere rerg rero rert reru rete reth reto retr rett reue reuf reut reuu rfef rgbe rgtr rhbg rheb rhee rheo rhet rhob rhog rhoh rhue rhug rob- robb robe robo robt robu roeg roer roet rofe roff rofo roge rogg rogh rogo rohe rohr rohu roob roof roog roor root rore roro rort roru rote rotg roth roto rotr rott roub roue rouf rouh rout rrrr rtbf rtee rtfb rubb rube rubu ruer ruet rufe ruff rufo ruft ruge rugg rugh ruhe ruhh ruhr rure ruro ruru rute ruth ruto rutt rutu tbrb tebo tebu teef teer teet teff teft tegg tegh tego tegt tegu teho tehr teoh teor ter- tere terf tero terr teru tete teth teto tetr tett tetu teut tfeb tfot the- theb thee thef theo ther thet theu thoe thof thog thoo thor thot thou thre thro thru thtb thtr thue thug thur tobe tobo tobt tobu toee toeh toer toet toff tofo toft tofu toge togh togo togr togt toho tohu toof tooh toor toot tore torf torg toro torr tort toru tote toth toto totr tott toug touh tour tout tre- tree tref treg treo tret treu trfr trge troe trog troo trot trou trte trtr trub true trug trut truu ttbb tteo tter ttff ttoe tttt tubb tube tubo tubr tubu tuer tuet tufe tuff tufo tuft tufu tugg tugh tugu tuht tuhu tuor turb ture turf turg turo turr turt turu tute tuto tutt tutu tuuo ubbe ubbo uber ubet ubtf ufer uffe ugeo uggo uggt ughe ugro ugur uguu uher uhoh uhuh uofg uofo uor- uore urbe ure- ureh uret urfe urff urft urge urgh urgu urho uro- uroo urre urrh urte urth urur urut uter utfo uthe utor utto uttu utug uutf uuuu

-tree bbbee be-er be-ro beber bebog bebot beebe beeft beete beeth beeut beffe befoe befog befor befur begee beget begge begob begof begor begot begto begue begur begut beher behet behof behot behue behuf beofe beoff beote beoth beour berbe bereg bereh beret berge bergh berhe berob beroe beror berre berru berte berth berto betee beter bethe betoo betor betou betre bett- bette betto beuer beugh beure beute beuth bfrog bheer bhoot bhore bhour bo-bo bo-ho bobet bobr bobre boege boero boeuf boeur bofet boffo boger boget bogge boghe boght bogoe bogof bogor bogot bogu bogue bogur bogut bohge bohor bohot bohte booer boore boort booru booth borbo boree borer boret borge borgh borgo borgu boro- boroo borot borou borre borro borth borut botet bothe botou botro botte bottu bouee bouer bouet bouge bough boure bourg boute bouth bouto brebu breef breer breet breg- brege bregg breo- brere breth breto brett breu- brobo broer broft brogh broth broto broue brout brrrr bruer bruet bruff bruge brugg brugh brute btr-t bubbe buber bufet buffe buffo buger bugge bught bugoo bugre buoho bureh buret burge burgh burgo burgu buroo burro burru burte burtt burut buteo buter buthe buto- butoh butor butot butou butte butuo butut ebber ebbet eberg ebert eboue ebure eeeee ef-tu efere efetf effer effet efore efter efuru efutu egger egret ehret eofor eorre erbbe erber erege erere ergo- ergot eroge eroor erore eroto error errtu erte erter erthe ertug erugo etete ether etho- etoro etour etree etrog etter eturu eubro eurgh euro- eurre febre feeor feere fefor fegue feher feoff feret ferr- ferre ferro ferte ferth feteh feter feto- fetor fette feuer feuge feute fogbo foggo fogou fogue foore foote fore- foreh foreo foret forge forgo forro forte forth forto foruh forur fotte fotur fouee fouet fouge fough fougo fourb foure fourg fourh fouro fouth freeh freer freet frege