-er b-u bbb bbe bbg bbo bbr bbu be- beb bee beg beo ber beu bez bgb bge bgg bgo bgr bgu bgz bob boe bog boo bor bou boz brb bre brg bro brr bru brz bub bue bug buo bur buu buz bze bzo bzr bzu bzz ebb ebe ebg ebo ebr ebu eeb eee eeg eeo eer egb ege egg ego egr egu eo- eob eoe eog eoo eor eou erb ere erg ero err eru erz eu- eub eue eug eur eze ezo ezr ezz gbe gbg gbo gbr gbu gbz ge- geb gee geg geo ger geu gez ggb ggg ggo ggr ggu ggz gob goe gog goo gor gou goz grb gre grg gro grr gru gu- gub gue gug guo gur guu guz gzo gzr gzu ob- obb obe obg obo obr obu oeb oee oeg oeo oer oge ogg ogo oo- oob oog ooo oor or- orb ore org oro orr oru orz ou- oue ouo our oze ozo ozu ozz rbb rbe rbg rbo rbr rbu re- reb ree reg reo rer reu rez rgb rge rgg rgo rgr rob roe rog roo ror rou roz rrb rrg rrr rru rub rue rug ruo rur ruu ruz rzb rze rzo ubb ube ubg ubo ubr ubu ueb uee ueg uer ugb uge ugg ugo ugr ugu uob uoe uog uoo uor ur- urb ure urg uro urr uru urz uue uug uur uuu uzb uzo uzu z-g zbb zbr zeb zee zeo zer zez zgb zgg zo- zob zoe zog zoo zor zou zro zub zug zur zuz zzr zzz

bbbb bbeb bbrg bebb bebe bebo beeb beeg beer begg bego begu beo- beor bere berg bero berr beru beur beze bezu bobb bobe bobo bobu boee boeo boer boge bogg bogo boob booe boog boor booz bor- bore borg boro borr boru borz boue bour bozo breb bree breg breo brer brez brob broe brog broo bror brou broz brrr brue brug bruz bubb bube bubo bubu buer bueu buge bugg bugo bur- burb bure burg buro burr buru burz buuz buze buzz bzer bzoe bzou bzzz ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeee eerg eero eeze egbe egbu egee eger eggb egge eggo ego- egor egoz egre eore erbb erbe ereb erer erez erg- ergg ergo erob eroe eroo erre erro erub erur euer euge eur- eure euro ezer ezgo ezuz ezzo gbbo gebe geer geez gege gegg gego geo- geog gerb gere gero geru geue gezo gggg gobe gobo goer gogo goog goor gorb gore gorg goro gorr gorz gou- goug gour goze gozo gozu grbr greb gree greg greu grez grob grog groo gror grou grrr grub grue grug grur gruz gubb gubu guer gugb guge gugg gugu gurb gure gurg guro gurr guru guze o-eo obbo ober oboe obor obre obro oegb oere ogb ogbe ogee oger ogge ogog ogou ogre ogro oguz oobe ooer oooo oore ooze orbb orbe orbo orbu ore- oreb oreg oreo orer orge orgo oro- oroe oror oroz orro orub orzo orzu ouer ouge our- oure ouro ouu- ouze ouzo ozee ozer ozge ozgu rbbb rbbr rebb rebe rebo rebu reeb rege rego regr regu reog reou rere rerg rero reru reue reuu reze rezu rgbe rob- robb robe robo robu roeg roer roge rogg rogo roob roog roor rooz rore roro roru roub roue rouz roze rozz rrrr rubb rube rubu ruer ruez ruge rugg rure ruro ruru ruze ubbe ubbo uber ugeo uggo ugro ugur uguu uor- uore urbe ure- urge urgu uro- uroo urre urur uruz uuuu uzeb uzer z-ro zber zebe zebu zegg zego zerg zero zeze zobo zogg zogo zoo- zorb zore zorg zoro zoug zozo zozu zrze zubo zubr zubu zuoz zurb zurr zuru zuzu zzzz

bbbee be-er be-ro beber bebog beebe beez begee begge begob begor begue begur beour berbe bereg berge berob beroe beror berre berru berze berzo beuer beure bezer bo-bo bobr bobre boege boero boeur boger bogge bogoe bogor bogu bogue bogur booer boore booru booze borbo boree borer borge borgo borgu boro- boroo borou borre borro borzu bouee bouer bouge boure bourg bouze bozer bozoo brebu breer breg- brege bregg breo- brere breu- breze brobo broer broue broze brrrr bruer bruge brugg bruzz brzeg bubbe buber buger bugge bugoo bugre burge burgo burgu buroo buroz burro burru buzzr ebber eberg eboue ebure eeeee egger eorre erbbe erber erege erere ergo- eroge eroor erore error erugo eubro euro- eurre ezbob gberg gberu geber gebre gebur gebze geebo geere geeze gegge georg gerbe gerbo gerre gerze gezer go-go go-oo gobbe gobbo gobeo goerz goeze gogro gogue goobo googe goore gorbe goree gorer gorge gorgo gorre gorze gouge goure gozzo grebe grebo greer grege gregg grego grgur groge grogg groue groze grrrr grubb grube grure gruze gubbe gubbo guber gubru guere guero gueze guoge gurge guroo gurre gurro gurur guzzo o-r-b obegu oberg oboro oboue obreb obrez obzor ogogo ogugu oo-er ooooo oreo- orere orero orgue orguz orobe orobo oroer orrgo orube oruro ouoro oure- ozero ozgur ozoro rebbe rebeg reber reege reere reeze reger regge reggo regur reorg rere- reree rerez rerob reuer reuze rezzo ro-ro robbe robbo rober robo- robor robur roero roger rogge rogoz rogue rooer rooge roore rooue rorbu rorer rouer rouez rouge roure rouze rubee ruber rubor ruegg ruere ruger rugge uber- ubobo ubrez ugro- ugrug uouee ureo- urger uroob urour urroz urubu uuuuu uzbeg uzere zberg zboze zbure zebre zebub zeebo zeero zegge zerbe zerbo zereg zerog zeror zerre zober zogbo zorbo zorge zorgo zorro zu-zu zuber zurge zzzzz

b-zero bbbbbb beebee beebug beegee beerze beezer begger begogo begore begoro berbee berbeo berber berege berere berger berour berrer berube beugro beurre bobber boberg boeber boegoe boerge boerre bogger bogore bogoro boober booboo booger booue boozer borbor borger borgue borogo borore bororo boubou boueer bougee bougou bougre bougue bouree bourou bourre bozorg breege breere breeze bregbo breger bregge breuer brogue brouze brubru brugge bruree brzoze