b-u bbb bbd bbh bbn bbo bbr bbu bdb bdd bdh bdo bdr bdu bhb bhd bhh bho bhr bhu bnb bnd bnn bno bnr bnu bob bod boh bon boo bor bou brb brd brh brn bro brr bru bub bud buh bun buo bur buu dbb dbd dbh dbn dbo dbr dbu ddb ddd ddh ddn ddo ddr ddu dh- dhb dhd dhh dho dhr dhu dnb dnd dnh dnn dno dnr dob dod doh don doo dor dou drb drd drn dro drr dru dub dud duh dun duo dur hbb hbd hbh hbn hbo hbr hbu hdb hdd hdh hdn hdo hdr hdu hhb hhd hhh hhn hho hhr hhu hnb hnd hnh hnn hno hnu hob hod hoh hon hoo hor hou hr- hrb hrd hrh hrn hro hrr hru hub hud huh hun huo hur huu nbb nbd nbn nbo nbr nbu ndb ndd ndh ndn ndo ndr ndu nhb nhd nhh nhn nhr nhu nnb nnh nnn nno nnu no- nob nod noh non noo nor nou nrb nrd nrn nro nrr nru nub nud nuh nun nuo nur nuu ob- obb obd obh obn obo obr obu odb odd odh odn odo odr odu ohd ohh ohn oho ohr ohu on- onb ond onh onn ono onr onu oo- oob ood ooh oon ooo oor or- orb ord orh orn oro orr oru ou- oud ouh oun ouo our rbb rbd rbh rbn rbo rbr rbu rdb rdd rdh rdn rdo rdr rdu rh- rhb rhd rhh rhn rho rhr rhu rnb rnd rnh rnn rno rnr rnu rob rod roh ron roo ror rou rrb rrd rrh rrn rrr rru rub rud ruh run ruo rur ruu ubb ubh ubn ubo ubr ubu udb udd udn udo udr udu uhb uhd uhh uho uhr uhu un- unb und unh unn uno unr unu uob uod uon uoo uor ur- urb urd urn uro urr uru uun uur uuu

-hou bbbb bbdd bbdo bd-r bddh bhor bhur bhuu bnor bnrr bobb bobo bobu bodb bodh bodo bodu bohd bohn boho bohr bohu bond bonn bono bonu boob bood booh boon boor bor- bord borh born boro borr boru boud bouh boun bour brdo brno brob brod broh bron broo bror brou brrr brud bruh brun bubb bubo bubu budb budd budo budu buho buhr bunb bund bunn buno bunu buon bur- burb burd burh burn buro burr buru d-bo dbrn dddd ddub dhod dhor dhrn dhun dhur dobb dobu dod- dodd dodo dohr dond donn dono donr doob dood doon door dord dorn doro dorr doru doub doud doun dour drnh drno drob drod droh dron drou drub druu dub- dubb dubh dubu dudd dudo dudu duhr duhu dunn duno duo- duon durn duro duru duur hdod hhhh hndd hobo hodh hodr hohn hoho hond hono honu hood hoon hoor hord horn horo horr houd hour hrdn hrob hrod hron hrud hrun hubb hubo hudd hudo hudu huhn huhu hund hunh huon huor hurd hurn huro hurr huru huub nbbo nbhd nddb nddo ndor nhnn nhon nndb nnnn nobo nobu nodo nodu nohn noho non- nonn nono nonu noo- noob noon nooo noor nor- norb nord norn noro norr nouh noun nour nron nrrd nudd nudo nunn nuno nuon nurd nurn nurr nuru obbo obon obor obrh obro obuh odbo oddd odnb odoh odon odoo odor odou odur ohho ohno ohob ohoh ohrn ondo onno onod onon onor onur ooho oooh oooo oord orbb orbo orbu ordn ordo ordu orno oro- oron oror orro orub oudh oun- ound our- ourn ouro ouu- rbbb rbbr rboh rhob rhod rhoh rhon rhun rnbr rnod rob- robb robo robu rodd rodo rohn rohr rohu rond rono roob rood roon roor roro roru roub roud rouh roun rrrr rrun rubb rubu rudd rudo ruhh ruhn ruhr rund runn runo rurd ruro ruru ruud ruun ubbo ubod ubon ubud udoh udon udoo udun uh-d uhno uhoh uhuh unbd undo unno unon unro uor- urdu urho uro- uroo urrh urun urur uuno uuuu

bdoor bhood bhoun bhour bhrrd bo-bo bo-ho bobr bodd- bodor bohon bohor bohun bondo bonon bonou bonud boodh boond boord boorn booru borbo bordo born- borno bornu boro- borod boron boroo borou borro borun boudh boudu bound bourd bourn brobo brodd brodo brohn brond bronn brood broon broud broun brrrr brud- bruhn brunn bruno bruun bubon buddh buddu budur bundu bunud bunun buoho buono buord burn- buron buroo burro burru burud burun d-rod ddddd dhobb dhond dhoon dhubb dhuhr dhund dhunn do-do dobro dodon dodoo dodro dohrn dondo donho donon donor doodo doorn dorno doron dorud douro drbob drobo drood droon drouh droun dubbo dubno dubon duddo dudon dudou duhon dundo dunno dunod dunun durno duron duruh hburn hhhhh hhour hnnbo ho-ho ho-oh hobor hobro hobub hoddu hodhr hodod hodur honbu hondo honno honor honud hoond hoord hoorn hornb horno horod horon horro horru hound hourd hubur hudud hudur huhuh huorn huron huuru ndour nduru nnooo no-do no-no nobob nobuo noduh nohno nohor non-u nondo nonno nonoh noonu noord norbu nordo noron norro norun nu-nu nudur nuhuh nunon nunun nuodb nuoro nurun o-bon o-r-b obhor obodo oboro obudu oddur odour odudu oduro oh-oh ohorn ohour ohrob onhbo onond onoon onorn onour ooooh ooooo ordon ordro ornon orobo orodo orono oruro oudon ouoro ourno rhod- rhodo rhoon ro-ro robbo robo- robon robor robun robur rodbo rodon rodor rohob rohod rohru rohun rondo ronno roodu roond rorbu round rubon rubor rudno ruhnu ruhub rundu runo- runon u-dub ubobo uh-oh uh-uh uhdoh uhhoh uhhuh uhuru unbud undub undun undur unnun unnur unoor unorn unruh unrun unurn uroob urour urubu uuuuu

bbbbbb bo-hoo bobrun bonbon bondon bonnor bonobo booboo boohoo boondh borbon borbor bordon bordun bornon bororo boubou boudon boudou bounou bourou brodno bronno brubru brudno bruron buborn bububu bundoo burbur burdon burdur burhou burnou dhundh do-hun dobron dobrun dododo dondon donoor donour dorbod dordon dorobo dorond dorood dororo doudou dourou dubdub duddon duhour dundun dundur dunoon dunord h-hour