b-u bbb bbd bbk bbn bbo bbs bbu bdb bdd bdk bdo bds bdu bkb bkk bkn bko bks bnb bnd bnk bnn bno bns bnu bob bod bok bon boo bos bou bsb bsd bsk bsn bso bss bsu bub bud buk bun buo bus buu dbb dbd dbk dbn dbo dbs dbu ddb ddd ddk ddn ddo dds ddu dkb dkk dko dks dku dnb dnd dnk dnn dno dns dob dod dok don doo dos dou dsb dsd dsk dsn dso dss dsu dub dud duk dun duo dus kbb kbd kbk kbn kbo kbs kbu kdb kdk kdo kds kdu kkb kkk kkn kks kku kn- knd knk knn kno knu kob kod kok kon koo kos kou ksb ksd ksk ksn kso kss ksu kub kud kuk kun kus kuu nbb nbd nbk nbn nbo nbs nbu ndb ndd ndk ndn ndo nds ndu nkk nkn nko nks nku nnb nnk nnn nno nns nnu no- nob nod nok non noo nos nou nsb nsd nsk nsn nso nss nsu nub nud nuk nun nuo nus nuu ob- obb obd obk obn obo obs obu odb odd odn odo ods odu okb okd okk oko oks oku on- onb ond onk onn ono ons onu oo- oob ood ook oon ooo oos os- osb osd osk osn oso oss osu ou- oud ouk oun ouo ous sbb sbd sbk sbn sbo sbs sbu sdb sdd sdk sdn sdo sds sdu sk- skb skd skk sko sks sku snb snd snk snn sno sns snu sob sod sok son soo sos sou ss- ssb ssd ssk ssn sso sss ssu sub sud suk sun suo sus suu ubb ubk ubn ubo ubs ubu udb udd udk udn udo uds udu ukb ukk ukn uku un- unb und unk unn uno uns unu uob uod uok uon uoo uos usb usd usk usn uso uss usu uun uus uuu

-ous bbbb bbbs bbdd bbdo bdos bdsd bnss bobb bobo bobs bobu bodb bodo bods bodu bokn boko boks boku bond bonk bonn bono bons bonu boob bood book boon boos bosk bosn boso boss bosu boud bouk boun bous bsbd bsnd bsns bsod bson bsos bssd bubb bubo bubs bubu budb budd budo buds budu bukk buko buku bunb bund bunk bunn buno buns bunu buon busk buss busu buus d-bo dbos dbss dbus dddd ddss ddub dnuk dnus dobb dobs dobu dod- dodd dodo dods doko dond donk donn dono dons doob dood dook doon doos dosk doso doss doub doud douk doun dous dsos dssn dub- dubb dubs dubu dudd dudo duds dudu duku dunk dunn duno duns duo- duon duos dusk k-os kbbb kbbd kbbk kbbo kbbs kbbu kbdb kbdn kbdo kbds kbkb kbkk kbko kbnd kbnn kbno kbnu kbob kbod kbok kbon kboo kbos kbsb kbsk kbsn kbso kbss kbsu kbub kbud kbuk kbun kbus kbuu kdbb kdbn kdbs kddb kddd kddk kdkb kdkd kdkk kdkn kdko kdnd kdnk kdnn kdno kdns kdok kdsd kdsk kdsn kdss kdsu kdub kdun kdus kkbb kkbd kkbn kkbo kkbs kkdd kkdo kkkk kknb kknd kknn kkno kkns kknu kkob kkon kkoo kksd kksn kkss kksu kkus kkuu knbb knbn knbu kndb kndd kndk kndn kndo kndu knkk knnb knnd knnk knns knob knod knok knon knou knsb knsd knsk knsn knso knss knsu knub knud knuk knus kobb kobk kobn kobo kobs kobu kodk kodo kods kodu kokb kokk kokn koko koks koku kond konk kono koob kook koon kooo koos koou kos- kosb kosd koso koss kosu koub kous kouu ksbn ksbs ksdk ksdn ksds kskb kskd kskk kskn ksko ksks ksku ksnb ksnd ksnk ksnn ksns ksob ksok kson ksoo ksos ksou kssn ksso ksss kssu ksub ksud ksun ksuu kubb kubd kubo kubs kubu kudd kudo kudu kukk kukn kuks kuku kund kunk kuno kuns kunu kuok kuon kuoo kuos kusb kusd kusn kuso kusu kuub kuuk kuuu nbbo nddb nddo ndos ndss nkok nndb nnnn nnos nnss nobo nobs nobu nodo nods nodu noko non- nonn nono nons nonu noo- noob nook noon nooo noos nos- nosk noss nosu noun nous nsbo nsds nskk nsok nsos nsou nssb nsso nsss nsub nubk nubs nudd nudo nuku nunk nunn nuno nuns nuon nuss nusu nuuk obbo obkb obok obon obos obsd obsn obss obus odbo oddd odds odnb odon odoo odos odou odso odus okko okno okok okon okso okun okus ondo onno onod onon onos onso onus ooku oons oooo ooos oous osku osno osoo osos ossb ossd osso ossu osun oubs ouds oun- ound ousd ouu- s-os sbbs sbds sbsd sbus sdds sdss sdsu skn- skon sksd skss skud skun snns snob snod snoo snos snsd snub snus sobo sobs sobu sodd sodo sods sodu sokk sokn soko soku son- sond sonk sono sons sonu sood sook soon soos soso soss soud souk soun sous ssbn ssdd ssns sssb ssss sub- subb subd subo subs sudd sudo suds suks suku sun- sunb sund sunk sunn suno suns sunu suos sus- susd susk suso suss susu suus ubbo ubod ubon ubos ubud udds udon udoo udos udsd uduk udun ukko ukok ukon unbd undo unds unkn unko unks unno unns unon unos uns- unso unus us-k usbs usdo usds usno usnu usos ussb usss ussu usun usus uuno uuuu

bbook bbuss bdubs bo-bo bobko bobok bobos bodd- bodos bokko bokod bokok bokun bondo bonds bonks bonon bonos bonou bonsu bonud bonus boobs booko books boond boonk boons bosko bosks bosns boson bossk bosso bosun boudu bouko bouks bound bsous bubon budds buddu budko budos bukk- buknu bunds bundu bunko bunks bunso bunud bunuk bunun bunus buono busks busno buson busso bussu busuu d-bus dbdos ddddd do-do dobbs dobok dobos dodds dodon dodoo dodos dokdo dokos dokuo dondo donks donon doobs doodo doods dooks dooku doons dosso doubs douds dounk du-ku dubbo dubbs dubno dubon dubos dubus duddo dudok dudon dudou duduk dukku dukun dundo dunks dunno dunod dunun dusko dusks duson dusun