-er -ol b-u bbb bbe bbl bbo bbr bbu be- beb bee bel beo ber beu bev blb ble bll blo blr blu blv bob boe bol boo bor bou bov brb bre brl bro brr bru brv bub bue bul buo bur buu bvb bve bvl bvo bvr bvu bvv ebb ebe ebl ebo ebr ebu ebv eeb eee eel eeo eer eev elb ele ell elo elr elu elv eo- eob eoe eol eoo eor eou erb ere erl ero err eru erv eu- eub eue eul eur euv evb eve evl evo evr evv lbb lbe lbl lbo lbr lbu lbv leb lee lel leo ler leu lev llb lle lll llo llr llu llv lob loe lol loo lor lou lov lrb lro lrr lru lrv lub lue lul luo lur luu luv lvb lve lvl lvr lvv ob- obb obe obl obo obr obu obv oeb oee oel oeo oer olb ole oll olo olu oo- oob ool ooo oor oov or- orb ore orl oro orr oru orv ou- oue oul ouo our ov- ovb ove ovl ovo ovv rbb rbe rbl rbo rbr rbu re- reb ree rel reo rer reu rev rle rll rlo rlr rlu rob roe rol roo ror rou rov rrb rrl rrr rru rub rue ruo rur ruu ruv rvb rve rvl rvo rvr rvu rvv ubb ube ubl ubo ubr ubu ubv ueb uee uel uer ulb ule ull ulo ulr ulu ulv uob uoe uol uoo uor ur- urb ure url uro urr uru uue uur uuu uvb uve uvl uvo uvu uvv v-e vbl vbo vbr vbv veb vee vel veo ver veu vl- vlb vle vll vlo vlv vob voe vol voo vor vou vov vrb vre vrr vru vue vul vur vuv vvb vvo vvr vvv

bbbb bbeb bblb bebb bebe bebo beeb beel beer bele bell belo belu beo- beor bere bero berr beru beur bevo bleb blee bleo bleu blob bloo blou blub blue blur bobb bobe bobo bobu boee boel boeo boer bole boll bolo bolu boob booe bool boor bor- bore boro borr boru boue boul bour bove bovo breb bree brel breo brer brev brob broe brol broo bror brou brrr brue bruv bubb bube bubo bubu buel buer bueu bulb bule bull bulu buol bur- burb bure burl buro burr buru buve ebbo ebbr ebel eber eboe ebol eboo ebor ebro ebru ebul ebur eeee eele eelv eero el-b elbe elbo elbu elee eleo eler elev elle ello ellu elro elue elul elve elvo eole eolo eore eorl erbb erbe ereb erel erer erev erle erll erob eroe erol eroo erre erro erub erur eruv erve euer eule eur- eure euro evel ever evoe evol evoo evre lblr le-u lebo lebu leel leer lele lell lelo lelu leor leou leov lere lero leur lev- leve levo lleu llll lloo lo-v lob- lobb lobe lobo loeb loeu lole loll lolo loob looe lool loor lore loro loue loul lour louu love lovo lrrr lube luer lule lull lulu lure lurv luve lvov lvrr o-eo obbo obel ober oble oblu oboe obol obor obre obro oele oere olbo ole- oleo oler olev olle ollo olor olov olur oobe ooer oolo oooo oore orbb orbe orbo orbu ore- oreb orel oreo orer orle orlo orlu oro- oroe oror orro orub orve orvr ouer oule oulu our- oure ouro ouu- ovee over ovo- ovol ovoo ovre rbbb rbbr rble rebb rebe rebo rebu reeb reel reev relb rele rell relo reol reou rere rero reru reue reul reuu reve revo rlee rleu rob- robb robe robo robu roel roer roev role roll rolo roob rool roor rore roro roru roub roue roul rove rovo rrle rrrr rubb rube rubu ruel ruer rule rull rulo rure ruro ruru ruve ruvu rver ubbe ubbo uber uble ublo uele uell uleb ulee uleo ulle ullo ullr ulo- ulul uor- uore uovo urbe ure- urle uro- urol uroo urre urur urve uulu uuuu uv-b uvel uver uvvu veel veer vel- vele vell velo velu veol veor ver- verb vere verl vero veur veve vevo voel voer voeu vole voll volo vool voor vor- vore voro voru voue voul vour vrbl vreo vuel vull vurb vver vvob vvvv

bbbee be-er be-ro bebel beber beblo beebe beele beeve belbo belee bellb belle bello belov belue belur beour berbe berel berle berlo berob beroe berol beror berre berru beuer beule beure beuve bevel bever bevor bevue bleer blere bleue bleve bloor blorb blore bloue bluer blurb blure blurr bo-bo boble bobov bobr bobre boeol boero boeur bolbe bolel boleo boler boll- bolle bollo bollu booer boole boore booru borbo boree borel borer borle boro- boroo borou borov borre borro borul borve borvo bouee bouel bouer boul- boule boulo boure bovee bovel brebu breel breer brell brelo breo- brere breu- breve brobo broer brole broll brolo brool broue brrrr bruer brule brull bubbe buber buble buell bulb- bull- bulle bulou bulul burel burle burol buroo burov burro burru ebber ebble ebell ebelo eberl eblul eboue ebull ebure eeeee eeler eevee eever elele eleo- eleve ellel eller elloe ellul eloee elole eloor elore eloro elrob elubo elulu eluru elver eorre erbbe erber erere ereve eroor erore errol error eubro euell euler eurel euro- eurre evell evere evero everr eveve evolo evolv evoor evour evvol lebel leber leell leere leeve leleu lelle lelov leove lerer leuro levee level lever levo- levor levre levuo lobbe lobbo lober loble lobo- lobor lobov loeve loler lollo lolol loobu looer loore loove lorel loreo lorer lorre louer loule loure louro lovee lover loveu lovre lovro lubbe luber luble lubov lubur luebo lueve lulle lulov lulul lurer lurue lurve luver lvovo o-r-b obele obole obolo oboro oboue obreb obrov oelve oerel oerle oleo- olere olleo oller ollur olour olovo olver oo-er ooooo oovoo orble orell oreo- orere orero orlov orobe orobo oroer orolu orube oruro oullo ouoro oure- ourol ouver ouvre over- overo ovolo ovule rebbe