b-u bbb bbd bbg bbn bbo bbr bbu bdb bdd bdg bdo bdr bdu bgb bgd bgg bgn bgo bgr bgu bnb bnd bng bnn bno bnr bnu bob bod bog bon boo bor bou brb brd brg brn bro brr bru bub bud bug bun buo bur buu dbb dbd dbg dbn dbo dbr dbu ddb ddd ddg ddn ddo ddr ddu dgd dgg dgn dgr dgu dnb dnd dng dnn dno dnr dob dod dog don doo dor dou drb drd drg drn dro drr dru dub dud dug dun duo dur g-d gbd gbg gbn gbo gbr gbu gdb gdd gdn gdo gdr gdu ggb ggd ggg ggn ggo ggr ggu gnb gnd gnn gno gnr gnu gob god gog gon goo gor gou grb grd grg grn gro grr gru gu- gub gud gug gun guo gur guu nbb nbd nbg nbn nbo nbr nbu ndb ndd ndg ndn ndo ndr ndu ngb ngd ngg ngn ngo ngu nnb nng nnn nno nnu no- nob nod nog non noo nor nou nrb nrd nrg nrn nro nrr nru nub nud nug nun nuo nur nuu ob- obb obd obg obn obo obr obu odb odd odg odn odo odr odu ogd ogg ogn ogo on- onb ond ong onn ono onr onu oo- oob ood oog oon ooo oor or- orb ord org orn oro orr oru ou- oud oun ouo our rbb rbd rbg rbn rbo rbr rbu rdb rdd rdg rdn rdo rdr rdu rgb rgd rgg rgn rgo rgr rnb rnd rng rnn rno rnr rnu rob rod rog ron roo ror rou rrb rrd rrg rrn rrr rru rub rud rug run ruo rur ruu ubb ubg ubn ubo ubr ubu udb udd udg udn udo udr udu ugb ugg ugn ugo ugr ugu un- unb und ung unn uno unr unu uob uod uog uon uoo uor ur- urb urd urg urn uro urr uru uug uun uur uuu

bbbb bbdd bbdo bbng bbrg bd-r bdog bgon bgun bnor bnrr bobb bobo bobu bodb bodo bodu bogd bogg bogo bond bong bonn bono bonu boob bood boog boon boor bor- bord borg born boro borr boru boud boun bour brdo brno brob brod brog bron broo bror brou brrr brud brug brun bubb bubo bubu budb budd budg budo budu bugg bugo bunb bund bung bunn buno bunu buon bur- burb burd burg burn buro burr buru d-bo dbrn dddd ddub dobb dobu dod- dodd dodg dodo dog- dogg dogo dogu dond dong donn dono donr doob dood doon door dord dorn doro dorr doru doub doud doug doun dour drno drob drod drog dron drou drub drug druu dub- dubb dubu dudd dudo dudu dugu dung dunn duno duo- duon durg durn duro duru duur gbbo gbon gddb gdor gggg ggrn gnod gnoo gnrr gobo godo gogo gon- gond gong gonn gono gonu good goog goon goor gorb gord gorg gorn goro gorr gou- goud goug goun gour grbr grob grod grog gron groo gror grou grrr grub grug grun grur gubb gubu gudo gudu gugb gugg gugu gund gung gunn gurb gurd gurg gurn guro gurr guru nbbo nddb nddo ndor ngon ngor ngou ngur nguu nndb nngn nnnn nobo nobu nodo nodu nogg nogo non- nong nonn nono nonu noo- noob noon nooo noor nor- norb nord norg norn noro norr noun nour nron nrrd nudd nudo nung nunn nuno nuon nurd nurn nurr nuru obbo obon obor obro odbo oddd odnb odon odoo odor odou odur ogb ogod ogog ogon ogou ogro ogun ondo ongo ongu onno onod onon onor onur oooo oord orbb orbo orbu ordn ordo ordu orgn orgo orno oro- oron oror orro orub oun- ound oung our- ourn ouro ouu- rbbb rbbr rnbr rnod rob- robb robo robu rodd rodo rogg rogo rond rong rono roob rood roog roon roor roro roru roub roud roun rrrr rrun rubb rubu rudd rudo rugg rund rung runn runo rurd ruro ruru ruud ruun ubbo ubod ubon ubud udgb udon udoo udun uggo ugod ugro ugur uguu unbd undo ungo ungu unno unon unro uor- urdu urgu uro- uroo urun urur uuno uuuu

bbgun bdoor bo-bo bobr bodd- bodog bodor bogno bogon bogor bogu bogud bogur bondo bongo bongu bonon bonou bonud boond boong boord boorn booru borbo bordo borgo borgu born- borno bornu boro- borod boron boroo borou borro borun boudu bound boung bourd bourg bourn brobo brodd brodo brond brong bronn brood broon broud broun brrrr brud- brugg brung brunn bruno bruun bubon buddu budur bugno bugoo bugun bundu bungo bungu bunud bunun buono buord burgo burgu burn- buron buroo burro burru burud burun d-rod ddddd do-do dobro dodon dodoo dodro dogbo doggo dogon dondo donon donor doodo doong doorn dorno dorog doron dorud doung douro drbob drobo drog- drogo drong drood droog droon droug droun drugu drung dubbo dubno dubon duddo dudon dudou dugon dundo dungu dunno dunod dunun duong durno duron gnugo go-go go-on go-oo gobbo goddo godno godon godor gogon gogro gondo gongo gonnn gonno gono- goobo goodg goodo goong goord gordo gorgo gorno gorod gorun gound goung gounn gourd grgdn grgur grodd grogg grond grong grono grood groon groud groun grrrr grubb grund gubbo gubno gubru guddu gudur gundu gungu gunnr guroo gurro gurun gurur ndogo ndour nduru ngong ngoro ngudu ngugu nguru nnooo no-do no-go no-no nobob nobuo nogod non-u nondo nonno noonu noord norbu nordo noron norro norun nu-nu nudur nunon nunun nuodb nuoro nurun o-bon o-dog o-r-b obodo oboro obudu oddur odour odudu oduro ognon ogogo ogron ogugu ongod ongon ongud onond onoon onorn onour ooooo ordon ordro orgon orgun ornon orobo orodo orono orrgo oruro oudon ouoro ourno ro-ro robbo robo- robon robor robun robur rodbo rodon rodor rogno rondo rongo rongu ronno roodu roond roong rorbu round roung rubon rubor rudno rundu rungu runo- runon u-dub u-god ubobo ugong ugro- ugrug un-go unbud undog undub undug undun undur ungod ungon ungud ungur unnun unnur unoor