-er -ol b-u bbb bbe bbf bbl bbo bbr bbu be- beb bee bef bel beo ber beu bfb bfe bff bfl bfo bfr bfu blb ble blf bll blo blr blu bob boe bof bol boo bor bou brb bre brf brl bro brr bru bub bue buf bul buo bur buu ebb ebe ebf ebl ebo ebr ebu eeb eee eef eel eeo eer ef- efb efe eff efl efo efr elb ele elf ell elo elr elu eo- eob eoe eof eol eoo eor eou erb ere erf erl ero err eru eu- eub eue euf eul eur fbb fbe fbf fbl fbo fbr fbu feb fee fef fel feo fer feu ffe fff ffl ffo ffr ffu flb fle flf fll flo flr flu fob foe fof fol foo for fou frb fre frf frl fro frr fru fub fue fuf ful fuo fur fuu lbb lbe lbf lbl lbo lbr lbu leb lee lef lel leo ler leu lfb lfe lff lfl lfo lfr lfu llb lle llf lll llo llr llu lob loe lof lol loo lor lou lrb lrf lro lrr lru lub lue luf lul luo lur luu ob- obb obe obf obl obo obr obu oeb oee oef oel oeo oer of- ofb ofe off ofl ofo ofr ofu olb ole olf oll olo olu oo- oob oof ool ooo oor or- orb ore orf orl oro orr oru ou- oue ouf oul ouo our rbb rbe rbf rbl rbo rbr rbu re- reb ree ref rel reo rer reu rfb rfe rff rfl rfo rfr rfu rle rlf rll rlo rlr rlu rob roe rof rol roo ror rou rrb rrf rrl rrr rru rub rue ruf ruo rur ruu ubb ube ubf ubl ubo ubr ubu ueb uee uef uel uer ufe uff ufl ufo ufr ufu ulb ule ulf ull ulo ulr ulu uob uoe uol uoo uor ur- urb ure urf url uro urr uru uue uur uuu

bbbb bbeb bblb bebb bebe bebo beeb beef beel beer befe beff befo bele bell belo belu beo- beof beor bere bero berr beru beur bffl bleb blee bleo bleu blob bloo blou blub blue bluf blur bobb bobe bobo bobu boee boef boel boeo boer bofe boff bofu bole boll bolo bolu boob booe boof bool boor bor- bore borf boro borr boru boue bouf boul bour breb bree bref brel breo brer brfu brob broe brol broo bror brou brrr brue bubb bube bubo bubu buel buer bueu bufe buff bufo bufr bulb bule bull bulu buol bur- burb bure burl buro burr buru ebbo ebbr ebel eber eboe ebol eboo ebor ebro ebru ebul ebur eeee eefe eefl eele eero efbr efeo efor el-b elbe elbo elbu elee elef eleo eler elfe elle ello ellu elro elue elul eole eolo eore eorl erbb erbe ereb erel erer erle erll erob eroe erol eroo erre erro erub erur euer eule eur- eure euro fble febo feeb feel feer fefe feff fefo fele felf fell felo feof ferb fere fero ferr feru ffee ffff ffrr flee fler flob floe floo flor flou flub flue fluf fluo flur foer fofo fole foll folo folr foof fool for- forb fore forl foro forr foul four free freo frob froe frol frou frub frue fubb fubu fuel fuff fufu fule full fulu fuor fur- fure furl furo furr lblr le-u lebo lebu leef leel leer lefe leff lele lell lelo lelu leof leor leou lere lero leur llef lleu llll lloo lob- lobb lobe lobo loeb loeu lofe loff lole loll lolo loob looe loof lool loor lore loro loue loul lour louu lrrr lube luef luer lufe luff lufu lule lull lulu lure o-eo obbo obel ober oble oblu oboe obol obor obre obro oele oere oeuf ofer off- offe offo offr offu ofor ofre olbo ole- olef oleo oler olfe olle ollo olof olor olur oobe ooer ooff oolo oooo oore orbb orbe orbo orbu ore- oreb orel oreo orer orfe orff orfu orle orlo orlu oro- oroe orof oror orro orub ouer oufe ouff oule oulu our- oure ouro ouu- rbbb rbbr rble rebb rebe rebo rebu reeb reef reel refe reff refl refr refu relb rele rell relo reof reol reou rere rero reru reue reuf reul reuu rfef rffl rlee rlef rleu rob- robb robe robo robu roel roer rofe roff rofl rofo role rolf roll rolo roob roof rool roor rore roro roru roub roue rouf roul rrle rrrr rubb rube rubu ruel ruer rufe ruff rufo rule rull rulo rure ruro ruru ubbe ubbo uber uble ublo uele uell ufel ufer uffe uleb ulee uleo ulfe ulle ullo ullr ulo- ulul uofl uofo uor- uore urbe ure- urfe urff urle uro- urol uroo urre urur uulu uuuu

bbbee be-er be-ro bebel beber beblo beebe beele beffe befoe befol befor befur belbo belee belef bellb belle bello belue belur beofe beoff beour berbe berel berle berlo berob beroe berol beror berre berru beuer beule beure bleer blere bleue bloef bloor blorb blore bloue bluer bluff blufr blurb blure blurr bo-bo boble bobr bobre boeol boero boeuf boeur boffo bolbe bolel boleo boler boll- bolle bollo bollu booer boole boore booru borbo boree borel borer borle boro- boroo borou borre borro borul bouee bouel bouer boul- boule boulo boure brebu breef breel breer brell brelo breo- brere breu- brobo broer brole broll brolo brool broue brrrr bruer bruff brule brull bubbe buber buble buell buffe buffo bufle bulb- bull- bulle bulou bulul burel burle burol buroo burro burru ebber ebble ebell ebelo eberl eblul eboue ebull ebure eeeee eeler efere effer efore efuru elele eleo- ellel eller elloe ellul eloee eloff elole eloor elore eloro elrob elubo elulu eluru eofor eorre erbbe erber erere eroor erore errol error eubro euell euler eurel euro- eurre febel feble febre feele feeor feere fefor felle feoff feole ferel ferle ferlo ferr- ferre ferro feuer feule fleer flere flero fleur