b-u bbb bbd bbl bbn bbr bbs bbu bdb bdd bdl bdr bds bdu blb bld bll bln blr bls blu bnb bnd bnl bnn bnr bns bnu brb brd brl brn brr brs bru bsb bsd bsl bsn bsr bss bsu bub bud bul bun bur bus buu dbb dbd dbl dbn dbr dbs dbu ddb ddd ddl ddn ddr dds ddu dl- dlb dld dll dlr dls dlu dnb dnd dnl dnn dnr dns drb drd drl drn drr drs dru dsb dsd dsl dsn dsr dss dsu dub dud dul dun dur dus lbb lbd lbl lbr lbs lbu ldb ldd ldl ldn ldr lds ldu llb lld lll lln llr lls llu lnb lnd lnl lnn lnr lns lnu lrb lrd lrn lrr lrs lru lsb lsd lsl lsn lsr lss lsu lub lud lul lun lur lus luu nbb nbd nbl nbn nbr nbs nbu ndb ndd ndl ndn ndr nds ndu nlb nld nll nln nlr nls nlu nnb nnl nnn nns nnu nrb nrd nrl nrn nrr nrs nru nsb nsd nsl nsn nsr nss nsu nub nud nul nun nur nus nuu rbb rbd rbl rbn rbr rbs rbu rdb rdd rdl rdn rdr rds rdu rld rll rln rlr rls rlu rnb rnd rnn rnr rns rnu rrb rrd rrl rrn rrr rrs rru rsb rsd rsl rsn rsr rss rsu rub rud run rur rus ruu sbb sbd sbl sbn sbr sbs sbu sdb sdd sdl sdn sdr sds sdu slb sld sll sln slr sls slu snb snd snl snn snr sns snu sr- srb srd srl srn srr srs ss- ssb ssd ssl ssn ssr sss ssu sub sud sul sun sur sus suu ubb ubl ubn ubr ubs ubu udb udd udl udn udr uds udu ulb uld ull uln ulr uls ulu un- unb und unl unn unr uns unu ur- urb urd url urn urr urs uru usb usd usl usn usr uss usu uun uur uus uuu

bbbb bbbs bbdd bblb bbls bd-r bdls bdsd bldr blls blss blub blud blur blus bnrr bnss brds brls brns brrr brrs brsb brsr brud brun brus bsbd bsdl bsnd bsns bsrd bssd bubb bubs bubu budb budd budl buds budu bulb buld bull buls bulu bunb bund bunn buns bunu bur- burb burd burl burn burr burs buru buss busu buus dbls dbnl dbrn dbrs dbss dbus dddd ddss ddub dlbd dlrs dnus drrs drub drus druu dsdr dsls dsrr dssn dub- dubb dubs dubu dudd duds dudu dull dulu dunn duns durn duru duul duur lbds lblr lbrs ldls ldrs llbs lldb llds llll llud lndn lrdd lrds lrrr ls-r lsbu lsds lssr lubs ludd lull lulu lund lunn luns lurd lurs luss nddb ndls ndsl ndss nlls nlrb nndb nnls nnnn nnsl nnss nrds nrlb nrrd nrrl nsdl nsds nslr nsls nsnr nsrd nsrl nssb nssr nsss nsub nubl nubs nudd null nunn nuns nurd nurl nurn nurr nurs nuru nusl nuss nusu rbbb rbbr rbbs rbds rbsd rbsl rbss rlds rlls rnbr rnds rnld rrrr rrun rsdd rsdl rsds rsnn rsnr rssl rubb rubs rubu rudd rudl ruds rull rund runn runs rurd rurs ruru russ rusu ruud ruun sbbs sbds sbsd sbus sdds sdls sdrs sdsl sdss sdsu slds slln slrn slrs slsu slub slud slur snns snrs snsd snub snur snus srnn srsd srub ssbn ssbr ssdd ssns ssrl ssrs sssb ssss sub- subb subd subl subs sudd suds sul- suld sull sulu sun- sunb sund sunn suns sunu sur- surd surn surr surs suru sus- susd suss susu suus ubls ubud udds udsd udsl udun ullr ulul ulus unbd unds unns unrs uns- unus urbs urds urdu urls urns urss ursu urun urur urus usbl usbr usbs usdl usds uslu usnr usnu ussb ussr usss ussu usul usun usus uulu uuuu

bbuss bdubs blsdb blubs bluds blund blurb blurr blurs brrrr brud- bruds brull brunn bruns bruss bruun budds buddu budur bulb- bulbs bull- bulls bulul bulun bulus bunds bundu bunud bunun bunus burbs burds burls burn- burns burrs burru burud burun burus bussu busur busuu d-bus ddddd dnsbl drubs druns dub-l dubbs dubul dubus dulls dullu dunun dusun llrrs lubun lubur luddu ludus lulls lulul lulus lunds lundu lunns lurun lusus n-sub ndbld ndulu nduru nssnd nu-nu nubus nudur nudus nulls nunns nunun nurds nurlu nursu nurun nurus nusus rdllr rubus rudds rudus rundu s-bus slubs sluds slurb slurs sluss snbrn sndub snub- snubs snurl snuss ssbul ssdrs sssrb sssss subbu subss subud sudds sudur sulls sulur sulus sunbl sunbs sundu sunud surbl surds surdu surud surul surur surus susun susus suudu suuns u-dub ullur ululu uluru unbud undub undun undur unnun unnur unrun unsu unsub unsun unurn ursus urubu ussun uuuuu

bbbbbb blublu blurbs brubru bububu budrus bulbul bulbus buldur bulusu bundus burbur burdur busbud dbndns drusus dubdub duldul dululu dundun dundur durrus dursun durusu lubdub lullus lunlun lurulu nbblsn nnundu nullus nurnus nurulu nusnus rudnun rudrur rundus russud russus subsun suburb sunbus sunnud sunrun sunsun sununu surdul susulu susurr ubundu ubussu udburu udullu ulsrud unblur unburn undull undurn unlull unsubs

bbbbbbb bulbuls bullrun buludul burruss burundu burunlu ddsslls dundurn sssssss subbudu suburbs sun-sun sunburn sunnuds susulus unblurs undulls ursulus

bbbbbbbb blrrdlns buruburu snlssnss sunburns sussurus susurrus

buln-buln ddddddddd dundundun runrunrun snubsbuns

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