b-u bbb bbm bbn bbr bbs bbu bmb bmm bmn bmr bms bmu bnb bnn bnr bns bnu brb brm brn brr brs bru bsb bsm bsn bsr bss bsu bub bum bun bur bus buu m-r mbb mbm mbr mbs mbu mmb mmm mmn mmr mms mmu mnb mnm mnn mnr mns mnu mrb mrm mrn mrr mrs mru msb msm msn msr mss msu mub mum mun mur mus muu nbb nbm nbn nbr nbs nbu nmb nmm nmn nmr nms nmu nnb nnm nnn nns nnu nrb nrm nrn nrr nrs nru nsb nsm nsn nsr nss nsu nub num nun nur nus nuu rbb rbm rbn rbr rbs rbu rmb rmm rmn rmr rms rnb rnm rnn rnr rns rnu rrb rrm rrn rrr rrs rru rsb rsm rsn rsr rss rsu rub rum run rur rus ruu sbb sbm sbn sbr sbs sbu smb smm smn smr sms smu snb snm snn snr sns snu sr- srb srm srn srr srs ss- ssb ssm ssn ssr sss ssu sub sum sun sur sus suu ubb ubn ubr ubs ubu um- umb umm umn umr ums umu un- unb unm unn unr uns unu ur- urb urm urn urr urs uru usb usm usn usr uss usu uum uun uur uus uuu

bbbb bbbs bmus bnrr bnss brns brrm brrr brrs brsb brsr brum brun brus bsms bsns bsrm bssm bubb bubs bubu bum- bumb bums bunb bunn buns bunu bur- burb burm burn burr burs buru buss busu buus mbbs mbms mbrs mbus mmmm mmms mmsu mmun mmus mnbb mrbb mrbm mrbs msmb msmm msms msmu msrb mssm mssr msun msus mubs mumm mums mumu munn muns munu murn murr murs muru muss musu nnnn nnss nsbm nsmb nsnr nssb nssr nsss nsub nubs numb numm nums numu nunn nuns nurn nurr nurs nuru nuss nusu rbbb rbbr rbbs rbms rbss rmbs rnbr rrrr rrum rrun rsnn rsnr rsum rubb rubs rubu rumb rumm rums runn runs rurs ruru russ rusu ruun sbbs sbus smsn smss smur smus snns snrs snub snum snur snus srnn srub ssbn ssbr ssns ssrm ssrs sssb sssm ssss sub- subb subm subs sum- sums sumu sun- sunb sunn suns sunu sur- surn surr surs suru sus- suss susu suum suus umb- umms umsu umus unmr unns unrs uns- unum unus urbs urns urss ursu urum urun urur urus usbr usbs usmm usms usnr usnu ussb ussr usss ussu usun usus uuuu

bbuss brmmm brrrr brumm brunn bruns bruss bruun bumbu bunun bunus burbs burn- burns burrs burru burun burus bussu busum busur busuu mburu mmmmm mnsrs mrsun mummu mumun munsu murru murum murus n-sub nu-nu nubus numbs numms nunns nunun nurms nursu nurun nurus nusus rmnmn rubus rummu rus-m s-bus smbus smurr smuss snbrn snub- snubs snuss sssrb sssss subbu subss sumru sumur sunbs surur surus susun susus suuns unnun unnur unrun unsu unsub unsun unurn ursus urubu urums ussun uuuuu

bbbbbb brubru brumus bububu bunsum burbur burnum bussum munnur murmur musmus mussum muumuu numbrs nummus nurnus nusnus rubrum rumbur russus subsun suburb summum sumuru sunbus sunrun sunsum sunsun sununu sursum surumu susumu susurr ubussu umbuss unburn unsubs

bbbbbbb burruss munnuru murmurs muu-muu muumuus num-num snmnmnm sssssss suburbs sumurun sun-sun sunburn sursum-

bbbbbbbb brunssum buruburu mbumburu murumuru musumusu musunuru num-nums sunburns sussurus susurrus

runrunrun snubsbuns

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