b-u bbb bbi bbn bbr bbt bbu bby bi- bib bii bin bir bit biu biy bnb bni bnn bnr bnt bnu brb bri brn brr brt bru bry btb bti btn btr btt btu bty bub bui bun bur but buu buy by- byi byn byr byt byu ibb ibi ibn ibr ibt ibu iby iib iii iin iir iit iiu in- inb ini inn inr int inu iny ir- irb iri irn irr irt iru iry itb iti itn itt itu ity iu- iub iui iur iut iyr iyt iyy n-i nbb nbi nbn nbr nbt nbu nib nii nin nir nit niu nnb nni nnn nnt nnu nrb nri nrn nrr nrt nru nry ntb nti ntn ntr ntt ntu nub nui nun nur nut nuu nuy nyn nyt nyu nyy rbb rbi rbn rbr rbt rbu rib rii rin rir rit riy rnb rni rnn rnr rnt rnu rny rrb rri rrn rrr rrt rru rtb rti rtn rtr rtt rtu rty rub rui run rur rut ruu ruy ry- ryn ryr ryu ryy tbb tbi tbn tbr tbt tbu tib tii tin tir tit tiu tiy tnb tni tnn tnr tnt trb tri trn trr trt tru try ttb tti ttn ttr ttt ttu tty tub tui tun tur tut tuu tuy tyn tyr tyt ubb ubi ubn ubr ubt ubu uby uib uii uin uir uit uiu un- unb uni unn unr unt unu uny ur- urb uri urn urr urt uru ury utb uti utn utr utt utu uty uun uur uut uuu uyi uyu ybi ybr yby yii yin yir yit ynn ynu yny yrn yrt yru ytn ytr ytt ytu yui yun yur yut yuu yuy yyb yyt yyu yyy

bbbb bbin bibb bibi biin bin- bini binn bint binu biny birb biri birn birr birt biru biry bitt bitu bnib bnin bnrr brin brit brrr brun brut bry- bryn btrt btry bttb bubb bubi bubu buin buir buit buiu bunb buni bunn bunt bunu bur- burb buri burn burr burt buru bury but- buti butt buty buyi buyu byit byrn byrt byun i-by ibri ibtb ibuy ibyi iiii iiit iitr iitt inby init inni innr innu inny inri inti intn intr intu inui inun irby iri- irin iriy irri irti irun iryn itby itin itri itry itty itur iuiu iuty n-ii nbti nbty nibi niir niit niiu nini nirt niru nitb niti nitr nity niur niyi nnit nnnn nntn ntnu ntru nttr ntui nubi nuby nuin nuit nunn nunt nuny nuri nurn nurr nurt nuru nutt nutu nyit nynt nyny nyrb nytb rbbb rbbr rib- ribu riby riin rinn riny riri riti ritt ritu rnbr rnin rnnt rnut rrrr rrun rubb rubi rubu ruby ruin ruit runi runn runt runy ruri ruru ruti rutt rutu ruty ruun ruyi rynn rynt rytt ryun ryyt tbit tbrb tibi tibu tiit tiiu tini tinn tint tinu tiny tirb tiri tirr tiru tiry titi titt titu tiyi tiyn tnut tri- trib trin trit trtr trub trun trut truu try- tryb ttbb tttt tubb tubr tubu tuin tuit tuiu tunb tuni tunn tunu tuny turb turi turn turr turt turu tury tuti tutt tutu tuty tuyn tybi tyin tyir tynt tyny tyr- tyrr tyti tytt tyty tyyn ubbi ubii ubir ubit uint uirr uni- unii unin unir unit unni untb unty unut urbi urib urin uriu urni urri urry urun urur urut uryn utby utin utri utti uttu uuni uuri uuuu uuyn uyin uyir ybry yirb yirn yirr yiti yrin yrun yryn yubu yuin yuit yuny yuri yurn yurt yury yutu yuty yuyu yyyy

bibby bibin bibri binit binny binub birin birni birny birun birur biryu bitit bitru bitry bitti bitty bitun brini brinn brint briny britt briyn brrrr bruin bruit bruiu bruni brunn brunt bruri bruty bruun brynn brynt bryt- bryyn btr-t bubby bubry buirn bunin bunny bunty bunun bunut bunyu burin burn- burnt burny burri burru burry burtt burun burut buryn buryt butin butit butty butut butyr buyin buyit by-by bybib bynni bytr- bytyn ibbur ibity ibtin iiiii iitti iiuni in-by inbin inini ininy innit inniu innti inrun inuit inurn irbit irinn irrit itbit ittti itu-r itu-t ituni ituri iturn ituru itutu iunit iyiyi iyyun nibbi nibby niibi ninib ninny ninti nintu ninty ninur ninut nirit nitin nitr- nitry nitti nitty niyur ntini ntnui nu-nu nubby nuiit nunit nunni nunny nunry nunun nurin nurit nurri nurry nurun nutri nutty nyiri rbity ribbi ribby ribin rintt rinty rubbi rubby rubin ruiru runby runin runit runny runty rutin rutty ruutu rybi rybin rybny rynin ryuir ryyty t-nut tbtbt tbutt ti-ti tibbi tibbu tibin tibni tibur tinny tinty tinui tinun tinyt tirit tirru tirur titii titin titti titty tiyin tntnt tribu triin trini trit- tritn tritt trubu truby truit truyt tryit ttttt tubby tubi- tubin tubri tunny turbi turbt turin turit turn- turnt turnu turny turri turtu turut tutin tutti tutty tutun tuubi tuuri tuuru tyiyn u-bit u-n-i u-nii ubirr ubity uitti unbit unbyn unini uninn uniti unity unnun unnur unnut unrun unryu unurn urin- urubu uruit ururi uruti urutu uryu uryuu uttur uturn uturu uuuuu uyuni yibin yibir yinyu ytint ytynt yu-ri yu-ti yunit yunti yunyu yurin yurty

b-unit bbbbbb bibiri bibiru bibury binbit binity biribi birini birtin bittur bituin biturn bribir bribri brinny brubru brunii brutii brutti bububu burbur buriti burity burnby burnin burnut burryn burtin bururi burutu buryit buttin buttir butyr- buy-in by-run inburn innuit intuit inturn iritty ittiri iturbi nibiru nibrin niburu nintin nittur ntuntu nubbin ribbin ribbit rintin ritini rititi rubini rubutu run-in runnin runnit runtuy rurutu rybiny t-unit tibbin tibbit tibiri tintin tintri tintry tirrit titbit titibu titini titiri tribit tribut triinu trubin trubny truitt trytry tuiuti turbin turbit turini turnin turtur tururu turytt tuttut tyburn tyurin u-turn ubuntu unbitt unburn unbury unnitt untint unturn urturn utrubi uttini yubnub

bbbbbbb bi-tri- bintuni binyiny bruttii bunbury burn-in butryny butt-in in-turn inburnt inibbit irn-bru ittybit nib-nib nubuntu nununyi riitiir rubbity rubitin t-nutty tibbitt tibitin tintury tinybit tirinyi tit-bit tittyry trinity tunturi turn-in