ollo olof olor olos olur oobe ooer ooes ooff oofs oolo oooo ooos oore oose oous orbb orbe orbo orbs orbu ore- oreb orel oreo orer ores orfe orff orfs orfu orle orlo orlu oro- oroe orof oror oros orro orrs orse orso orsu orub orus osbe osee osel oser oses oslo osoo osor osos osro ossb osse osso ossu osul oubs ouer oufe ouff oule ouls oulu our- oure ouro ours ouse ouu- rbbb rbbr rbbs rble rbsl rbss rebb rebe rebo rebs rebu reeb reef reel rees refe reff refl refr refs refu relb rele rell relo rels reof reol reos reou rere rero rers reru rese reso ress reue reuf reul reus reuu rfef rffl rlee rlef rleu rlls rob- robb robe robo robs robu roel roer roes rofe roff rofl rofo role rolf roll rolo roob roof rool roor roos rore roro roru rose roso ross roub roue rouf roul rous rrle rrrr rsee rsos rsre rssl rubb rube rubs rubu ruel ruer rues rufe ruff rufo rule rull rulo rure ruro rurs ruru ruse ruso russ rusu s-os sbbs sbef sber sbor sbse sbus se-e se-f se-o se-s se-u sebe sebo sebs seeb seef seel seer sees seeu seff sefl selb sele self sell selo sels selu seol serb sere serf sero serr sers seru sese seso sess seul seur sfer sfls sfor sfos sfro sfss sfsu sleb slee sler sles slob sloe sloo slos slre slrs slsu slub slue slur sobe sobo sobr sobs sobu soel soeo soes sofo sole solf soll solo solr sols soof sool soor soos sorb sore soro sorr sors soru sose soso soss soue souf soul sour sous sreb sreo sres sros srub ssbr ssee sses ssfl ssle ssrl ssrs sssb sssf ssss sub- subb subl subo subs suee suel suer sues sueu suf- suff sufr sufs sufu sul- sule sulf sull sulo sulu suor suos sur- sure surf suro surr surs suru sus- suse suso suss susu suus ubbe ubbo uber uble ublo ubls ubos uele uell uers uess ufel ufer uffe ufos uleb ulee uleo ules ulfe ulle ullo ullr ulo- ulos ulul ulus uofl uofo uor- uore urbe urbs ure- ures urfe urff urle urls uro- urol uroo urre urse urso urss ursu urur urus usbe usbl usbr usbs usee usef usel user uses usfl usfs usle uslu usoe usos ussb usse ussf ussr usss ussu usul usus uulu uuuu

bbbee bbser bbuss be-er be-ro bebel beber bebes beblo beebe beebs beefs beele beers beffe befoe befol befor befur belbo belee belef beles bellb belle bello bells belos belue belur belus beofe beoff beour berbe berel beres berle berlo berob beroe berol beror berre berru berse berus besee besob besos besse besso beuer beule beure blebs bleer blees blere blese bless bleue bleus blobs bloef bloor blorb blore bloso bloss bloue blubs bluer blues bluff blufr blurb blure blurr blurs bo-bo boble bobos bobr bobre boeol boero boers boese boeuf boeur boffo boffs bolbe bolel boleo boler boles boll- bolle bollo bolls bollu bolos bolus boobs booer boofs boole bools boore boors booru boose borbo boree borel borer bores borle boro- boroo boros borou borre borro borse borsu borul borus bosel bosor bosse bosso bouee bouel bouer boues boul- boule boulo bouls boure bours bouse brebu breef breel breer brees brell brelo brels breo- brere brers brese bress breu- brobo brobs broer brole broll brolo brool broos brose bross broue brous brrrr bruer brues bruff brule brull bruse bruss bsous bsure bubbe buber buble buell buffe buffo buffs bufle bufos bulb- bulbs bull- bulle bulls bulou bulse bulul bulus burbs burel bures burle burls burol buroo buros burro burrs burru burse burus buser buses busle busse busso bussu busur busuu ebber ebble ebell ebelo eberl ebers eblul eboes eboue ebull ebure eeeee eeler eeros eesof efere effer efore efuru efuse elbos elefs elele eleo- eleos elers eless ellel eller elles elloe ellos ellul eloee eloff elole eloor elore eloro eloso elrob elros elser elses elsol elubo eluls elulu eluru eofor eolus eorre erbbe erber erebs erere erles eroes eroor eroos erore erose eross erres errol error erses erubs esbus esels esere esref esrel essel esser esses essor essse essue esure eubro euell euler eurel euro- euros eurre eurus euser eusol febel feble febre feebs feele feels feeor feere feers feese fefor felle fells felos feoff feole ferel feres ferle ferlo ferr- ferre ferro ferse ferus feser fesse fesso feuer feule feurs fleer flees flere flero flers fleur flobs floes floor flore floro floru flose floss flour flubs flues fluff fluo- fluor flurb flure flurr fluse fluss fofos folle follo foole fools foore foose forbs fore- forel foreo fores foros forro forse forso forss forur forus fosse fouee fouel foule fouls fourb foure fouro fours fouse freel freer frees frels frere frese fress freur frobe frobs froes frore frose fu-fu fubbs fubus fuels fuero fuffs fulbe fulle fullf fullo fulls furbo furel furls furo- furor furrs furse furus fusee fusel fuser fuses fusle fuso- fusoe fusor fusse fusus fuuse lebel leber lebes lebus leell leeof leere leers leese lefeu leffe lefou lefse leful leles leleu lelle leose lerer leros lesbo leser lesse lesue lesur leuro leuse llers llrrs lobbe lobbo lober lobes loble lobo- lobor lobos lobus loebs loess lofer loffe lofos lofou loler lollo lolls lolol lolos loobu looer lools loore loose loosu lorel loreo lorer lores loros lorre losee losef losel loser loses losse louer loues loule loure louro lours louse louss lsers lubbe luber lubes luble lubos lubur luebo luffs lufre lules lulle lulls lulul lulus lurer lures lurue luser luso- lusse lusso lusus o-fer o-r-b obele obers obese obeso obess oblos oboes obole obolo obols oboro oboue obreb obrse oelse oerel oerle oesel oeses oeufs offer offof offre oflos ofosu ofour ofsee ofsle ofuse oleo- oleos olere oless olfus olleo oller olles ollur olour olous oo-er ooooo ooser orble orbus orell orels oreo- oreos orere orero oreus orfeo orfes orfeu orfoe orfor orful