b-u bbb bbg bbo bbr bbs bbu bgb bgg bgo bgr bgs bgu bob bog boo bor bos bou brb brg bro brr brs bru bsb bsg bso bsr bss bsu bub bug buo bur bus buu gbg gbo gbr gbs gbu ggb ggg ggo ggr ggs ggu gob gog goo gor gos gou grb grg gro grr grs gru gsb gsg gso gsr gss gsu gu- gub gug guo gur gus guu ob- obb obg obo obr obs obu ogg ogo ogs oo- oob oog ooo oor oos or- orb org oro orr ors oru os- osb osg oso osr oss osu ou- ouo our ous rbb rbg rbo rbr rbs rbu rgb rgg rgo rgr rgs rob rog roo ror ros rou rrb rrg rrr rrs rru rsb rsg rso rsr rss rsu rub rug ruo rur rus ruu sbb sbg sbo sbr sbs sbu sgb sgg sgo sgr sgs sgu sob sog soo sor sos sou sr- srb srg sro srr srs ss- ssb ssg sso ssr sss ssu sub sug suo sur sus suu ubb ubg ubo ubr ubs ubu ugb ugg ugo ugr ugs ugu uob uog uoo uor uos ur- urb urg uro urr urs uru usb usg uso usr uss usu uug uur uus uuu

-ous bbbb bbbs bbrg bggs bobb bobo bobs bobu bogg bogo bogs boob boog boor boos bor- borg boro borr bors boru boso boss bosu bour bous brob brog broo bror bros brou brrr brrs brsb brsr brug brus bsgs bsos bubb bubo bubs bubu bugg bugo bugs bur- burb burg buro burr burs buru buss busu buus gbbo gbbs gggg ggss gobo gobs gogo gogs goog goor goos gorb gorg goro gorr gors goso goss gosu gou- goug gour gous grbr grob grog groo gror gros grou grrr grrs grss grub grug grur grus gsos gsur gubb gubs gubu gugb gugg gugu guos gurb gurg guro gurr gurs guru gusb guss guus obbo obor obos obro obsr obss obus ogb ogog ogou ogro ogus oooo ooos oous orbb orbo orbs orbu orgo orgs oro- oror oros orro orrs orso orsu orub orus osoo osor osos osro ossb osso ossu oubs our- ouro ours ouu- rbbb rbbr rbbs rbss rob- robb robo robs robu rogg rogo roob roog roor roos roro roru roso ross roub rous rrrr rsgb rsos rubb rubs rubu rugg rugs ruro rurs ruru ruso russ rusu s-os sbbs sbor sbus sggg sggs sgro sgss sobo sobr sobs sobu sogo sogs soog soor soos sorb sorg soro sorr sors soru soso soss sour sous srgb sros srub ssbr ssgs ssrg ssrs sssb ssss sub- subb subg subo subs sug- sugg sugo suor suos sur- surg suro surr surs suru sus- suso suss susu suus ubbo ubos uggo uggs ugos ugro ugur uguu uor- urbs urgu uro- uroo urso urss ursu urur urus usbr usbs usgo usog usos ussb ussr usss ussu usus uuuu

bbuss bo-bo bobos bobr boggs bogor bogos bogu bogur bogus boobs boors booru borbo borgo borgs borgu boro- boroo boros borou borro borsu borus bosor bosso bourg bours brobo brobs brogs broos bross brous brrrr brugg bruss bsous bugoo burbs burgo burgs burgu buroo buros burro burrs burru burus busog busso bussu busur busuu go-go go-oo gobbo gobos gobus gogos gogro goobo googs gorgo gosub gours grgur grogg grogs groos gross grosu grrrr grubb grubs gruss gubbo gubos gubru guroo guros gurro gursu gurur gurus o-r-b oboro og-os ogogo ogors ogugu ooooo orbus orobo oroso orosu orrgo oruro osgur ososo ossos ossur osusu ouoro ro-ro robbo robbs robo- robor robur rorbu rosso rosss rosu rubor rubus rusor russo s-bus s-o-r so-so sobor sogou sooru sorbo sorbs sorgo sorgu soror soros sorso sorsu sorus soss- sosus sours sous- ss-gb sssrb sssss subbu subos subss suggs sugru suguo sugus surbo surgu surur surus susso susus ubobo uggos ugro- ugros ugrug urbos uroob uros urour urous ursus urubu usour uuuuu

bbbbbb bobbos bogoro bogoso booboo boorus borbor borogo bororo bososo bossou boubou bougou bourgs bourou bousso boussu brosso brubru brusor bububu bugbug burbur burgoo burgor burgos burgus burros busogo go-gos gobbos gobbur gogoro googoo gooroo gorgor gorgus gosour gossos gourou grosso grubbs grugru gubgub gurbru gurugu gusgus obourg obsorb ogusur oooooo orobus orrour osburg osogbo ossous ououso ousrou robo-g robous roogoo rougso rubro- rugous russo- russus sobos soosoo sorbus sorgou sorors sorous sorrus sorsor sourou sousou ssurgo suburb suguru suroso susurr ubussu urobos

bbbbbbb bobross boo-boo booboos bossgoo boubous bougous bourgou bourrou brosour burruss bus-obo gogosu goo-goo goooooo gooroos grossos gru-gru grugrus ogogoro orgburo oroboro robosub rubbour rugosus sgouros sou-sou souburg sourgou soursob sssssss suburbs suursoo ububboo usurous

bbbbbbbb bo-bo-bo bobobobs bogogobo borbogou borgbuss bossburg bourrous broubrou buruburu gogogogo goo-goos groogroo grosbous orgoroso oroborus rogorous rossburg rugosous subgross subrogor surbourg sussurus susurrus ubbubboo uroboros

bogo-bogo borborbor bougousso bourbourg groo-groo ouroboros ouroborus sous-sous susurrous

bobbobbobs bobobougou boussougou soussoubro

ouroroboros

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