b-u bbb bbn bbr bbs bbt bbu bnb bnn bnr bns bnt bnu brb brn brr brs brt bru bsb bsn bsr bss bst bsu btb btn btr bts btt btu bub bun bur bus but buu nbb nbn nbr nbs nbt nbu nnb nnn nns nnt nnu nrb nrn nrr nrs nrt nru nsb nsn nsr nss nst nsu ntb ntn ntr nts ntt ntu nub nun nur nus nut nuu rbb rbn rbr rbs rbt rbu rnb rnn rnr rns rnt rnu rrb rrn rrr rrs rrt rru rsb rsn rsr rss rst rsu rtb rtn rtr rts rtt rtu rub run rur rus rut ruu sbb sbn sbr sbs sbt sbu snb snn snr sns snt snu sr- srb srn srr srs srt ss- ssb ssn ssr sss sst ssu stb stn str sts stt stu sub sun sur sus sut suu tbb tbn tbr tbs tbt tbu tnb tnn tnr tns tnt trb trn trr trs trt tru tsb tsn tsr tss tst tsu ttb ttn ttr tts ttt ttu tub tun tur tus tut tuu ubb ubn ubr ubs ubt ubu un- unb unn unr uns unt unu ur- urb urn urr urs urt uru usb usn usr uss ust usu utb utn utr uts utt utu uun uur uus uut uuu

bbbb bbbs bnrr bnss brns brrr brrs brsb brsr brst brun brus brut bsns bsts btrt btss bttb btus bubb bubs bubu bunb bunn buns bunt bunu bur- burb burn burr burs burt buru buss bust busu but- buts butt buus nnnn nnss nntn nrts nsnr nssb nssr nsss nsts nstu nsub ntnu ntru ntsb ntss ntsu nttr nubs nunn nuns nunt nurn nurr nurs nurt nuru nuss nust nusu nuts nutt nutu rbbb rbbr rbbs rbss rbst rnbr rnnt rnut rrrr rrun rsnn rsnr rsts rstu rtns rtss rtts rubb rubs rubu runn runs runt rurs ruru russ rust rusu ruts rutt rutu ruun sbbs sbst sbtn sbus snns snrs sntr snub snur snus srnn srtr srub ssbn ssbr ssns ssrs sssb ssss sstb ssts stbs stnn stnr stns strn strs stru stss sttr stub stun stur stus stut sub- subb subs sun- sunb sunn suns sunt sunu sur- surn surr surs surt suru sus- suss sust susu sutu suus tbbs tbrb tbst tnts tnut trst trtr trub trun trus trut truu tssr tsst tsts tsun ttbb ttss tttt tubb tubr tubs tubu tunb tunn tuns tunu turb turn turr turs turt turu tuss tust tuts tutt tutu unns unrs uns- unst untb unts unus unut urbs urns urss ursu urts urun urur urus urut usbr usbs usnr usnu ussb ussr usss usst ussu ustb usts usun usus uttu uuuu

bbuss brrrr brunn bruns brunt bruss brust bruun btr-t btstu bunts bunun bunus bunut burbs burn- burns burnt burrs burru burst burts burtt burun burus burut bussu busts busur busut busuu butts butut n-sub nstnt nu-nu nubus nunns nunun nursu nurun nurus nusus rnsts rsust rttns rubus runst runts rusts rustu ruutu s-bus snbrn snub- snubs snurt snuss sssrb sssss strrs strub strut sttns sttsn stubs stuns stunt sturb sturt stuss subbu subss subst sunbs suntu surtr surur surus susun susus suttu suuns t-nut tbtbt tbutt tntnt tnuts trubs trubu truss trust truus tsuru tsuur ttttt ttusb tubbs turbt turn- turns turnt turnu turss turst tursu turtu turut tutun tutus tuuru unnun unnur unnut unrun unstr unsu unsub unsun unurn ursus urubu urutu ussun ustur usutu uttur uturn uturu uuuuu

bbbbbb brubru brunts brutus bs-tbs bububu burbur burnut bursts bursut burutu bututs buunts ntrust ntuntu nurnus nusnus rubutu rurutu russus strunt strust struts strutt stubbs stunts sturts sturun subsun suburb sunbus sunrun sunsun suntur sununu surtur susurr trusts turnus turssu turtur tururu tussur tuttut u-turn ubuntu ubussu unburn unsubs unturn urturn uturns

bbbbbbb burruss bustuus nubuntu sssssss strunts sturnus suburbs sun-sun sunburn sutturu tut-tut tuttuts u-turns unburnt unburst unstrut untruss untrust unturns

bbbbbbbb buruburu nrutturn sunburns sunburnt sunburst suntrust sussurus susurrus

runrunrun snubsbuns stuntnuts trntrntrn

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