b-u bbb bbd bbg bbk bbm bbo bbr bbu bdb bdd bdg bdk bdm bdo bdr bdu bgb bgd bgg bgk bgm bgo bgr bgu bkb bkg bkk bkm bko bkr bmb bmd bmg bmk bmm bmo bmr bmu bob bod bog bok bom boo bor bou brb brd brg brk brm bro brr bru bub bud bug buk bum buo bur buu dbb dbd dbg dbk dbm dbo dbr dbu ddb ddd ddg ddk ddm ddo ddr ddu dgd dgg dgk dgm dgr dgu dkb dkg dkk dkm dko dkr dku dmb dmd dmg dmk dmm dmo dmr dmu dob dod dog dok dom doo dor dou drb drd drg drk drm dro drr dru dub dud dug duk dum duo dur g-d gbd gbg gbk gbm gbo gbr gbu gdb gdd gdk gdm gdo gdr gdu ggb ggd ggg ggm ggo ggr ggu gkb gkd gkm gko gmb gmd gmg gmm gmo gmr gob god gog gok gom goo gor gou grb grd grg grk grm gro grr gru gu- gub gud gug guk gum guo gur guu kbb kbd kbk kbm kbo kbr kbu kdb kdg kdk kdm kdo kdr kdu kgb kgd kgm kgo kgu kkb kkk kkm kkr kku kmb kmd kmg kmk kmm kmo kmu kob kod kog kok kom koo kor kou krd krg krk kro krr kru kub kud kug kuk kum kur kuu m-o m-r mbb mbd mbg mbk mbm mbo mbr mbu mdb mdd mdg mdk mdm mdo mdr mdu mgb mgd mgk mgm mgo mgr mgu mkb mkd mkg mkk mkm mko mkr mku mmb mmd mmg mmk mmm mmo mmr mmu mob mod mog mok mom moo mor mou mrb mrd mrg mrk mrm mro mrr mru mub mud mug muk mum mur muu ob- obb obd obg obk obm obo obr obu odb odd odg odm odo odr odu ogd ogg ogo okb okd okg okk oko okr oku om- omb omd omg omm omo omr omu oo- oob ood oog ook oom ooo oor or- orb ord org ork orm oro orr oru ou- oud ouk oum ouo our rbb rbd rbg rbk rbm rbo rbr rbu rdb rdd rdg rdm rdo rdr rdu rgb rgd rgg rgk rgo rgr rkb rkg rkk rkm rko rku rmb rmd rmg rmm rmo rmr rob rod rog rok rom roo ror rou rrb rrd rrg rrk rrm rrr rru rub rud rug ruk rum ruo rur ruu ubb ubg ubk ubo ubr ubu udb udd udg udk udm udo udr udu ugb ugg ugk ugm ugo ugr ugu ukb ukk ukr uku um- umb umd umg umm umo umr umu uob uod uog uok uom uoo uor ur- urb urd urg urk urm uro urr uru uug uum uur uuu

bbbb bbdd bbdo bbgm bbmg bbrg bd-r bdog bdrm bkgd bmdb bobb bobo bobu bodb bodo bodu bogd bogg bogo boko boku bomb bomu boob bood boog book boom boor bor- bord borg bork borm boro borr boru boud bouk boum bour brdm brdo brkb brob brod brog brok brom broo bror brou brrm brrr brud brug brum bubb bubo bubu budb budd budg budo budu bugg bugo bukk buko buku bum- bumb bur- burb burd burg burk burm buro burr buru d-bo dddd ddub dgkb dgkd dgkg dgmk dmrb dmrg dobb dobu dod- dodd dodg dodo dog- dogg dogo dogu doko domb domm domo doob dood dook doom door dord dork dorm doro dorr doru doub doud doug douk doum dour drmk drob drod drog drom drou drub drug druk drum druu dub- dubb dubu dudd dudo dudu dugu duku dumb dumm duo- durg durk duro duru duur gbbo gddb gdor gggg gmmr gmod gobo godo gogo goku gomb gomk gomo gomu good goog gook goom goor gorb gord gorg gorm goro gorr gou- goud goug gouk goum gour grbr grob grod grog grok grom groo gror grou grrr grub grug grum grur gubb gubu gudo gudu gugb gugg gugu gumb gumm gumo gurb gurd gurg gurk guro gurr guru kbbb kbbd kbbg kbbk kbbm kbbo kbbr kbbu kbdb kbdg kbdo kbdr kbgb kbgg kbgm kbgo kbgr kbkb kbkg kbkk kbko kbkr kbmb kbmg kbmo kbmr kbob kbod kbok kboo kbrb kbrd kbrg kbrk kbro kbru kbub kbud kbuk kbur kbuu kdbb kdbg kdbm kdbr kddb kddd kddg kddk kddr kdgo kdkb kdkd kdkk kdko kdkr kdmd kdmg kdmo kdmr kdog kdok kdom kdrb kdrm kdro kdub kdug kdur kgbb kgbr kgdb kgdd kgdm kggg kggm kggo kggr kgmb kgmo kgor kgou kgrb kgrd kgrg kgrk kgrm kgro kgrr kgud kgum kkbb kkbd kkbg kkbo kkbr kkdd kkdg kkdm kkdo kkgb kkgm kkgo kkgr kkkk kkmg kkmk kkmo kkmr kkob kkoo kkor kkrb kkrk kkro kkrr kkuu kmbd kmbr kmdb kmdo kmdr kmgk kmgm kmgo kmgr kmgu kmkk kmko kmmg kmmk kmmm kmmo kmmr kmob kmod kmog kmok kmom kmor kmou kmrb kmro kmrr kmud kmur kobb kobk kobo kobr kobu kodk kodm kodo kodu kogb kogd kogg kogm kogo kogu kokb kokk koko kokr koku komb komg komo komr koob koog kook kooo koor koou korb kord korg kork koro korr koru koub koum kour kouu krbb krbd krbg krbk krbm krbr krdd krdg krdm krdo krdr krdu krkd krkk krko krkr krku krmb krmd krmg krmo krmr krob krod krog krok krom kroo kror krrb krrg krrk krrm krro krrr krug kruk krum krur kubb kubd kubo kubr kubu kudd kudo kudu kugb kugo kugr kukk kuku kumm kumo kumr kumu kuok kuoo kurb kurd kurk kurm kuro kurr kuru kuub kuuk kuur kuuu mbdb mbou mddm mdmk mdud mgrm mmdb mmmd mmmm mmod mmor mobb mobo modd modo modu mogg mogo mogu moko momo momu moob mood moog mook moor morb mord morg mork moro moru moud mouk mour mrbb mrbm mrdd mrkr mrmd mrud mruk mubo mudd mudu mugg mugo mugu muko mumm mumo mumu murd murg murk muro murr muru obbo obkb obok obor obro odbo oddd odmr odom odoo odor odou