-er b-u bbb bbe bbm bbo bbr bbu be- beb bee bem beo ber beu bev bmb bme bmm bmo bmr bmu bmv bob boe bom boo bor bou bov brb bre brm bro brr bru brv bub bue bum buo bur buu bvb bve bvm bvo bvr bvu bvv ebb ebe ebm ebo ebr ebu ebv eeb eee eem eeo eer eev em- emb eme emm emo emr emu emv eo- eob eoe eom eoo eor eou erb ere erm ero err eru erv eu- eub eue eur euv evb eve evm evo evr evv m-o m-r m-v mbb mbe mbm mbo mbr mbu mbv meb mee mem meo mer meu mev mmb mme mmm mmo mmr mmu mmv mob moe mom moo mor mou mov mrb mre mrm mro mrr mru mrv mub mue mum mur muu mvb mve mvm mvo mvr mvv ob- obb obe obm obo obr obu obv oeb oee oem oeo oer om- omb ome omm omo omr omu omv oo- oob oom ooo oor oov or- orb ore orm oro orr oru orv ou- oue oum ouo our ov- ovb ove ovo ovv rbb rbe rbm rbo rbr rbu re- reb ree rem reo rer reu rev rmb rme rmm rmo rmr rmv rob roe rom roo ror rou rov rrb rrm rrr rru rub rue rum ruo rur ruu ruv rvb rve rvm rvo rvr rvu rvv ubb ube ubo ubr ubu ubv ueb uee uem uer um- umb ume umm umo umr umu uob uoe uom uoo uor ur- urb ure urm uro urr uru uue uum uur uuu uvb uve uvm uvo uvu uvv v-e vbm vbo vbr vbv veb vee vem veo ver veu vm- vmm vmo vmr vmu vob voe vom voo vor vou vov vrb vre vrm vrr vru vue vum vur vuv vvb vvm vvo vvr vvv

bbbb bbeb bebb bebe bebo beeb beem beer beme bemu beo- beor bere berm bero berr beru beur bevo bobb bobe bobo bobu boee boeo boer bomb bome bomu boob booe boom boor bor- bore borm boro borr boru boue boum bour bove bovo breb bree brem breo brer brev brob broe brom broo bror brou brrm brrr brue brum bruv brvm bubb bube bubo bubu buem buer bueu bum- bumb bur- burb bure burm buro burr buru buve ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeee eemo eero embe embo embr emer emeu emme emmu emor emre eore erbb erbe ereb erem erer erev erme ermo erob eroe eroo erre erro erub erum erur eruv erve euer eur- eure euro ever evoe evoo evre mbou mebe mebo meem meer meme memo memr memu meor meou mer- merb mere merm mero meru merv meum meve mmmm mmor mobb mobe mobo moev mome momo momu moob mooe moor moov morb more moro moru moue mour move mrbb mrbm mreb mree mube mubo muee mume mumm mumo mumu mure muro murr muru muve mvee o-eo obbo ober oboe obor obre obro oeme oere oerm ombe ombo ombu omee omeo omer omo- omoe omoo omor omov omre omro omuo oobe ooer oome oooo oore orbb orbe orbo orbu ore- oreb orem oreo orer orme ormo oro- oroe orom oror orro orub orum orve orvr ouer oume our- oure ouro ouu- ovee over ovo- ovoo ovre ovum rbbb rbbr rebb rebe rebo rebu reeb reem reev reme remo reou rere rero reru reue reuu reve revo rmmv rmvb rob- robb robe robo robu roer roev romb rome romm romo roob room roor rore roro roru roub roue roum rove rovo rrrr rrum rubb rube rubu ruer rumb rume rumm rumo rure ruro ruru ruve ruvu rver ubbe ubbo uber umb- umbe umbo umer ummo umoe umor uomo uor- uore uovo urbe ure- uro- urom uroo urre urum urur urve uuuu uv-b uver uvvu v-me veer vemb veor ver- verb vere verm vero veur veve vevo voer voeu vome voom voor vor- vore vorm voro voru voue vour vreo vume vurb vver vvob vvvv

bbbee be-er be-ro beber beebe beeve bembe bembo bemer beour berbe berme bermo berob beroe berom beror berre berru berum beuer beure beuve bever bevor bevue bo-bo bobov bobr bobre boeme boero boeur bombe bombo bomer bomme booer boomb boore booru borbo boree borer bormo boro- borom boroo borou borov borre borro borum borve borvo bouee bouer boure bovee brebu breem breer breme bremm bremo breo- brere breu- breve brmmm brobo broer brom- brome bromo broom broue brrrr bruer brume brumm bubbe buber bumbo bumbu bumme buroo burov burro burru ebber eboue ebure eeeee eevee eever embee ember embro embue emeer emere emmer emore emove emure eomer eorre erbbe erber erem- eremo erere ereve erome eroom eroor erore error ervum eubro eum-u euro- eurre evere evero everr eveve evome evoor evour mbebe mbere mboro mbube mburu mbuvu mebbe meebo meemu meere meeve membe memer memor merer mero- meroe merom meroo meror merre merur merve meuer meure meuro meuve mmmmm mobee mobme mobor mobro moeer moeme moere moero moeve mombo mombu momme momoe mooer moore mooro moove morbo moree morem morer morev mormo moror morou morre morro morue morum moure mover mreru mrmom mrorr mumbe mumbo mumme mummu mureu murom muror murre murro murru murum o-r-b oboro oboue obreb obrom obrov oerme oerum ombe- omber ombre omemo omero omore omoro oo-er ooooo oovoo orbom oreo- orere orero ormer ormur orobe orobo oroer orome oromo orrum orube oruro oueme oumer ouoro oure- ouver ouvre over- overo rebbe reber reeme reemo reere reeve remee remer remor remou remue reome rere- reree rerob rerum reuer reume rever revue ro-ro robbe robbo rober robo- robor robur roero rombe romeo romer romme rooer roome roomu roore rooue roove rorbu rorem rorer rouer roume roumm roure rover rubee ruber rubor ruere rumbe rumbo rumer rummo rummu rumor ruomu uber- ubobo ubume umbe- umber umbre umbro umeer umeme umevu umore umour uouee ureme ureo- uroob urour urubu uuuuu uvrou v-bob v-bor veber vebre veere veeve vembu