-er b-u bbb bbe bbm bbo bbr bbu be- beb bee bem beo ber beu bez bmb bme bmm bmo bmr bmu bmz bob boe bom boo bor bou boz brb bre brm bro brr bru brz bub bue bum buo bur buu buz bze bzo bzr bzu bzz ebb ebe ebm ebo ebr ebu eeb eee eem eeo eer em- emb eme emm emo emr emu eo- eob eoe eom eoo eor eou erb ere erm ero err eru erz eu- eub eue eur eze ezo ezr ezz m-o m-r mbb mbe mbm mbo mbr mbu meb mee mem meo mer meu mez mmb mme mmm mmo mmr mmu mmz mob moe mom moo mor mou moz mrb mre mrm mro mrr mru mrz mub mue mum mur muu mzb mzm ob- obb obe obm obo obr obu oeb oee oem oeo oer om- omb ome omm omo omr omu omz oo- oob oom ooo oor or- orb ore orm oro orr oru orz ou- oue oum ouo our oze ozm ozo ozu ozz rbb rbe rbm rbo rbr rbu re- reb ree rem reo rer reu rez rmb rme rmm rmo rmr rob roe rom roo ror rou roz rrb rrm rrr rru rub rue rum ruo rur ruu ruz rzb rze rzm rzo ubb ube ubo ubr ubu ueb uee uem uer um- umb ume umm umo umr umu uob uoe uom uoo uor ur- urb ure urm uro urr uru urz uue uum uur uuu uzb uzo uzu zbb zbm zbr zeb zee zem zeo zer zez zmb zmm zo- zob zoe zom zoo zor zou zro zub zum zur zuz zzr zzz

bbbb bbeb bebb bebe bebo beeb beem beer beme bemu beo- beor bere berm bero berr beru beur beze bezu bobb bobe bobo bobu boee boeo boer bomb bome bomu boob booe boom boor booz bor- bore borm boro borr boru borz boue boum bour bozo breb bree brem breo brer brez brob broe brom broo bror brou broz brrm brrr brue brum bruz bubb bube bubo bubu buem buer bueu bum- bumb bur- burb bure burm buro burr buru burz buuz buze buzz bzer bzoe bzou bzzz ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeee eemo eero eeze embe embo embr emer emeu emme emmu emor emre eore erbb erbe ereb erem erer erez erme ermo erob eroe eroo erre erro erub erum erur euer eur- eure euro ezem ezer ezmo ezuz ezzo mbou mebe mebo meem meer meez meme memo memr memu memz meor meou mer- merb mere merm mero meru merz meum meze mezz mmmm mmor mobb mobe mobo mome momo momu moob mooe moor morb more moro moru moue mour moze mozo mozu mrbb mrbm mreb mree mroz mube mubo muee mume mumm mumo mumu mure muro murr muru muze muzo muzz mze mzee o-eo obbo ober oboe obor obre obro oeme oere oerm ombe ombo ombu omee omeo omer omez omo- omoe omoo omor omre omro omuo oobe ooer oome oooo oore ooze orbb orbe orbo orbu ore- oreb orem oreo orer orme ormo oro- oroe orom oror oroz orro orub orum orzo orzu ouer oume our- oure ouro ouu- ouze ouzo ozee ozem ozer rbbb rbbr rebb rebe rebo rebu reeb reem reme remo reou rere rero reru reue reuu reze rezu rob- robb robe robo robu roer romb rome romm romo roob room roor rooz rore roro roru roub roue roum rouz roze rozz rrrr rrum rubb rube rubu ruer ruez rumb rume rumm rumo rure ruro ruru ruze ubbe ubbo uber umb- umbe umbo umer ummo umoe umor uomo uor- uore urbe ure- uro- urom uroo urre urum urur uruz uuuu uzeb uzer z-ro zber zebe zebu zeme zero zeze zmeu zmub zobo zomb zome zomo zoo- zoom zorb zore zoro zozo zozu zrze zubo zubr zubu zumo zuoz zurb zurr zuru zuzu zzzz

bbbee be-er be-ro beber beebe beez bembe bembo bemer beour berbe berme bermo berob beroe berom beror berre berru berum berze berzo beuer beure bezer bo-bo bobr bobre boeme boero boeur bombe bombo bomer bomme booer boomb boore booru booze borbo boree borer bormo boro- borom boroo borou borre borro borum borzu bouee bouer boure bouze bozer bozoo bozum brebu breem breer breme bremm bremo breo- brere breu- breze brmmm brobo broer brom- brome bromo broom broue broze brrrr bruer brume brumm bruzz bubbe buber bumbo bumbu bumme buroo buroz burro burru buzzr ebber eboue ebure eeeee embee ember embro embue emeer emere emmer emore emure eomer eorre erbbe erber erem- eremo erere erome eroom eroor erore error eubro eum-u euro- eurre ezbob mbebe mbere mboro mbube mburu mebbe meebo meemu meere membe memer memor merer merez mero- meroe merom meroo meror meroz merre merur meuer meure meuro meuze mezez mezre mezze mezzo mmmmm mobee mobme mobor mobro moeer moeme moere moero moeze mombo mombu momme momoe mooer moore mooro morbo moree morem morer morez mormo moror morou moroz morre morro morue morum morze moure mozer mozez mozzo mreru mrmom mrorr mumbe mumbo mumme mummu mureu murom muror murre murro murru murum murz murzo muzur mzuzu o-r-b oboro oboue obreb obrez obrom obzor oerme oerum ombe- omber ombre omemo omero omore omoro oo-er ooooo orbom oreo- orere orero ormer ormoz ormur orobe orobo oroer orome oromo orrum orube oruro oueme oumer ouoro oure- ozero ozoro ozrem ozumo rebbe reber reeme reemo reere reeze remee remer remor remou remue reome rere- reree rerez rerob rerum reuer reume reuze rezzo ro-ro robbe robbo rober robo- robor robur roero rombe romeo romer romme rooer roome roomu roore rooue rorbu rorem rorer rouer rouez roume roumm roure rouze rubee ruber rubor ruere rumbe rumbo rumer rummo rummu rumor ruomu uber- ubobo ubrez ubume umbe- umber umbre umbro umeer umeme umezu umore umour uouee ureme ureo- urmuz uroob urour urroz urubu uuuuu uzere zboze zbure zebre zebub zeebo zeero zemer zerbe zerbo zeror zerre zerum zober zombe zombo zomer zoome zorbo zorro zu-zu zuber