b-u bbb bbd bbg bbo bbr bbt bbu bdb bdd bdg bdo bdr bdt bdu bgb bgd bgg bgo bgr bgt bgu bob bod bog boo bor bot bou brb brd brg bro brr brt bru btb btd btg bto btr btt btu bub bud bug buo bur but buu dbb dbd dbg dbo dbr dbt dbu ddb ddd ddg ddo ddr ddt ddu dgd dgg dgr dgt dgu dob dod dog doo dor dot dou drb drd drg dro drr drt dru dtb dtd dtg dto dtr dtt dtu dub dud dug duo dur dut g-d gbd gbg gbo gbr gbt gbu gdb gdd gdo gdr gdt gdu ggb ggd ggg ggo ggr ggt ggu gob god gog goo gor got gou grb grd grg gro grr grt gru gtb gtd gtg gto gtr gtt gtu gu- gub gud gug guo gur gut guu ob- obb obd obg obo obr obt obu odb odd odg odo odr odt odu ogd ogg ogo ogt oo- oob ood oog ooo oor oot or- orb ord org oro orr ort oru ot- otb otd otg oto otr ott otu ou- oud ouo our out rbb rbd rbg rbo rbr rbt rbu rdb rdd rdg rdo rdr rdt rdu rgb rgd rgg rgo rgr rgt rob rod rog roo ror rot rou rrb rrd rrg rrr rrt rru rtb rtd rtg rto rtr rtt rtu rub rud rug ruo rur rut ruu tbb tbd tbg tbo tbr tbt tbu tdb tdd tdg tdo tdr tdt tdu tgb tgg tgo tgr tgt tgu to- tob tod tog too tor tot tou trb trd trg tro trr trt tru ttb ttd ttg tto ttr ttt ttu tub tud tug tuo tur tut tuu ubb ubg ubo ubr ubt ubu udb udd udg udo udr udt udu ugb ugg ugo ugr ugt ugu uob uod uog uoo uor uot ur- urb urd urg uro urr urt uru utb utd uto utr utt utu uug uur uut uuu

bbbb bbdd bbdo bbrg bd-r bdog bobb bobo bobu bodb bodo bodu bogd bogg bogo bogt boob bood boog boor boot bor- bord borg boro borr bort boru botb botd boto bott boud bour bout brdo brdt brob brod brog broo bror brot brou brrr brud brug brut btdt btob btor btrt bttb bubb bubo bubu budb budd budg budo budu bugg bugo bur- burb burd burg buro burr burt buru but- buto butt d-bo dbtt dddd ddot ddub dobb dobu dod- dodd dodg dodo dog- dogg dogo dogu doob dood door doot dord doro dorr dort doru dotd doto dott doub doud doug dour dout drob drod drog drot drou drub drug drut druu dtor dtot dub- dubb dubu dudd dudo dudu dugu duo- durg duro durt duru duur duut gbbo gddb gdor gdrt ggbt gggg gobo godo gogo good goog goor goot gorb gord gorg goro gorr gort gotd goto gott gou- goud goug gour gout grbr grob grod grog groo gror grot grou grrr grub grug grur grut gtbr gubb gubu gudo gudu gugb gugg gugu gurb gurd gurg guro gurr gurt guru guto gutt gutu obbo obdt obor obot obro obtd odbo oddd odoo odor odot odou odtu odur ogb ogod ogog ogou ogro oooo oord oort ootb orbb orbo orbu ordo ordu orgo oro- oror orot orro orto orub otbd oto- otog otoo otor otro otto ottu otur our- ouro ourt out- outb outo ouu- rbbb rbbr rgtr rob- robb robo robt robu rodd rodo rogg rogo roob rood roog roor root roro rort roru rotg roto rotr rott roub roud rout rrrr rtdt rubb rubu rudd rudo rugg rurd ruro ruru ruto rutt rutu ruud tbrb tddb tdor tobo tobt tobu todd todo todt todu togo togr togt tood toor toot tord torg toro torr tort toru totd toto totr tott toug tour tout trod trog troo trot trou trtr trub trud trug trut truu ttbb tttt tubb tubo tubr tubu tudu tugg tugu tuor turb turd turg turo turr turt turu tuto tutt tutu tuuo ubbo ubod ubud udgb udoo udot uggo uggt ugod ugro ugur uguu uor- urdu urgu uro- uroo urur urut utor utto uttu utug uuuu

bdoor bdort bo-bo bobr bodd- bodog bodor bogor bogot bogu bogud bogur bogut boord boort booru borbo bordo borgo borgu boro- borod boroo borot borou borro borut botou botro bottu boudu bourd bourg bouto brobo brodd brodo brood broto broud brout brrrr brud- brugg btr-d btr-t buddu budur bugoo buord burgo burgu buroo burro burru burtt burud burut butdo buto- butor butot butou butuo butut d-dot d-rod ddddd do-do dobro dodoo dodro dogbo doggo doodo doout dordt dorog dorot dorud dotoo dotto doubt douro drbob drobo drog- drogo drood droog drott droug drout drugu dtour dubbo duddo dudou durtu go-go go-oo go-to gobbo gobot goddo godor godot gogro goobo goodg goodo goord goout gordo gorgo gorod gotoo gotor gotto gotur gourd grgur grodd grodt grogg grood groot grott groud grout grrrr grubb gruut gtrot gubbo gubru guddu gudur guroo gurro gurur o-dog o-r-b obodo oboro obout obudu oddur odour odudu oduro ogogo ogugu ooooo orbot ordro orobo orodo orout orrgo ortoo oruro orutu ototo otour ottur oubut ouoro outdo outgo outro outto ro-ro robbo robo- robor robot robrt robur rodbo rodor roodu rorbu roto- rotor rotot rotto roubt routt rubor rutog ruutu t-dog tbtbt tbutt to-do to-go tobog tobor tobot tobou todor togou toord tordu torgo torob torog torro torto tortu torud toto- totoo tougu tourd touro trood trott trout trubu trudo trugg trugo truro ttttt tubo- tubod tubog tubou tudor tudou tudur tugou tuotu turbo turbt turgo turot turro turtu turut tutor tutto tuuru u-dub u-god ubobo ugro- ugrug urdog urgut uroob urour urubu urutu utrdb utro- utror uttur uturu ututo uuuuu

bbbbbb bodrog bogodo bogoro booboo borbor borogo bororo botoro boubou boudou bougou bourou boutob brotto brubru brutto bububu buddug budugu bugbug bugout burbot burbur burdur burgoo burgor burotu burutu butbro buttto buutuo dobrut dododo dogood doorto dorbod dorbug dorobo dorood