b-u bbb bbg bbo bbr bbt bbu bgb bgg bgo bgr bgt bgu bob bog boo bor bot bou brb brg bro brr brt bru btb btg bto btr btt btu bub bug buo bur but buu gbg gbo gbr gbt gbu ggb ggg ggo ggr ggt ggu gob gog goo gor got gou grb grg gro grr grt gru gtb gtg gto gtr gtt gtu gu- gub gug guo gur gut guu ob- obb obg obo obr obt obu ogg ogo ogt oo- oob oog ooo oor oot or- orb org oro orr ort oru ot- otb otg oto otr ott otu ou- ouo our out rbb rbg rbo rbr rbt rbu rgb rgg rgo rgr rgt rob rog roo ror rot rou rrb rrg rrr rrt rru rtb rtg rto rtr rtt rtu rub rug ruo rur rut ruu tbb tbg tbo tbr tbt tbu tgb tgg tgo tgr tgt tgu to- tob tog too tor tot tou trb trg tro trr trt tru ttb ttg tto ttr ttt ttu tub tug tuo tur tut tuu ubb ubg ubo ubr ubt ubu ugb ugg ugo ugr ugt ugu uob uog uoo uor uot ur- urb urg uro urr urt uru utb uto utr utt utu uug uur uut uuu

bbbb bbrg bobb bobo bobu bogg bogo bogt boob boog boor boot bor- borg boro borr bort boru botb boto bott bour bout brob brog broo bror brot brou brrr brug brut btob btor btrt bttb bubb bubo bubu bugg bugo bur- burb burg buro burr burt buru but- buto butt gbbo ggbt gggg gobo gogo goog goor goot gorb gorg goro gorr gort goto gott gou- goug gour gout grbr grob grog groo gror grot grou grrr grub grug grur grut gtbr gubb gubu gugb gugg gugu gurb gurg guro gurr gurt guru guto gutt gutu obbo obor obot obro ogb ogog ogou ogro oooo oort ootb orbb orbo orbu orgo oro- oror orot orro orto orub oto- otog otoo otor otro otto ottu otur our- ouro ourt out- outb outo ouu- rbbb rbbr rgtr rob- robb robo robt robu rogg rogo roob roog roor root roro rort roru rotg roto rotr rott roub rout rrrr rubb rubu rugg ruro ruru ruto rutt rutu tbrb tobo tobt tobu togo togr togt toor toot torg toro torr tort toru toto totr tott toug tour tout trog troo trot trou trtr trub trug trut truu ttbb tttt tubb tubo tubr tubu tugg tugu tuor turb turg turo turr turt turu tuto tutt tutu tuuo ubbo uggo uggt ugro ugur uguu uor- urgu uro- uroo urur urut utor utto uttu utug uuuu

bo-bo bobr bogor bogot bogu bogur bogut boort booru borbo borgo borgu boro- boroo borot borou borro borut botou botro bottu bourg bouto brobo broto brout brrrr brugg btr-t bugoo burgo burgu buroo burro burru burtt burut buto- butor butot butou butuo butut go-go go-oo go-to gobbo gobot gogro goobo goout gorgo gotoo gotor gotto gotur grgur grogg groot grott grout grrrr grubb gruut gtrot gubbo gubru guroo gurro gurur o-r-b oboro obout ogogo ogugu ooooo orbot orobo orout orrgo ortoo oruro orutu ototo otour ottur oubut ouoro outgo outro outto ro-ro robbo robo- robor robot robrt robur rorbu roto- rotor rotot rotto roubt routt rubor rutog ruutu tbtbt tbutt to-go tobog tobor tobot tobou togou torgo torob torog torro torto tortu toto- totoo tougu touro trott trout trubu trugg trugo truro ttttt tubo- tubog tubou tugou tuotu turbo turbt turgo turot turro turtu turut tutor tutto tuuru ubobo ugro- ugrug urgut uroob urour urubu urutu utro- utror uttur uturu ututo uuuuu

bbbbbb bogoro booboo borbor borogo bororo botoro boubou bougou bourou boutob brotto brubru brutto bububu bugbug bugout burbot burbur burgoo burgor burotu burutu butbro buttto buutuo go-out gobbur gogbot gogoro googoo gooroo gorgor gotour gotout gourou grotto grugru gubgub gurbru gurugu gutrot guttur obourg obturb oooooo orrour ortug ottoor outour outtro robo-g roboto roogoo rotgut rotour rotout rotrou routot rubbot rubout rubro- rubutu rurutu rutour toboot togout togrog tootoo torgot torgut tororo tortor tortou totoro totrot tougbo tourou toutou toutuo troggu trotro tuborg tugrug tuotuo turbo- turbot turgor turgot turgut turtur tururu tutour tuttut u-boot utroor

bbbbbbb boo-boo bootout borotou bourgou bourout bourrou bug-out burgout buttout go-gurt gogobot goo-goo goooooo gooutto gottogo gouotro gru-gru gut-rot ogogoro orgburo oroboro ortrugo ottrott outboob outbutt outroot rootout rootrot rot-gut rub-out rubbour tobougg too-too tortour tototoo touboro tro-tro trotout trubrot tuggurt turbott tut-tut ububboo

bbbbbbbb bo-bo-bo bog-trot bogogobo borbogou borututu broubrou buruburu gogogogo groogroo grubroot gutturo- roboturb toottoot torotoro tougtout tourtour trougout turturro ubbubboo

bogo-bogo borborbor bourbourg groo-groo touggourt tuotuorou tuttototo

bobobougou bougoutoub togototogo tutortrout

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