b-u bbb bbi bbl bbm bbr bbt bbu bi- bib bii bil bim bir bit biu blb bli bll blm blr blt blu bmb bmi bml bmm bmr bmt bmu brb bri brl brm brr brt bru btb bti btl btm btr btt btu bub bui bul bum bur but buu ibb ibi ibl ibm ibr ibt ibu iib iii iil iim iir iit iiu il- ilb ili ill ilm ilr ilt ilu im- imb imi iml imm imt imu ir- irb iri irl irm irr irt iru itb iti itl itm itt itu iu- iub iui ium iur iut lbb lbi lbl lbm lbr lbt lbu lib lii lil lim lir lit liu llb lli lll llm llr llt llu lmb lmi lml lmm lmr lmt lmu lrb lri lrm lrr lrt lru ltb lti ltl ltm ltr ltt ltu lub lui lul lum lur lut luu m-r mbb mbi mbl mbm mbr mbt mbu mi- mib mii mil mim mir mit miu mlb mli mll mlm mlr mlt mlu mmb mmi mml mmm mmr mmt mmu mrb mri mrl mrm mrr mrt mru mtb mti mtl mtm mtr mtt mtu mub mui mul mum mur mut muu rbb rbi rbl rbm rbr rbt rbu rib rii ril rim rir rit rli rll rlm rlr rlt rlu rmb rmi rml rmm rmr rmt rrb rri rrl rrm rrr rrt rru rtb rti rtl rtm rtr rtt rtu rub rui rum rur rut ruu tbb tbi tbl tbm tbr tbt tbu tib tii til tim tir tit tiu tli tll tlm tlr tlt tlu tmb tmi tml tmm tmr tmt tmu trb tri trl trm trr trt tru ttb tti ttl ttm ttr ttt ttu tub tui tul tum tur tut tuu ubb ubi ubl ubr ubt ubu uib uii uil uim uir uit uiu ulb uli ull ulm ulr ult ulu um- umb umi uml umm umr umt umu ur- urb uri url urm urr urt uru utb uti utl utm utr utt utu uum uur uut uuu

bbbb bblb bibb bibi bibl bili bill bilt bilu birb biri birl birr birt biru bitt bitu blbt blim blir blit blub blum blur blut bmir bmmi bril brim brit brrm brrr brum brut btrt bttb bubb bubi bubu buir buit buiu bulb buli bull bult bulu bum- bumb bur- burb buri burl burm burr burt buru but- buti butt ibbm ibim ibml ibri ibtb ibtl iiii iiit iitm iitr iitt iium ilbm ilir ilit ill- illi illt ilmr ilrm ilum ilut imbi imir imit imli immi immt imri imrr irbm iri- iril irlb irri irti irul itil itim itll itri itum itur iuiu lblr lbrt libr libu liii liir lilb lili lill lilt lilu limb limi liml limm limu liri lirl lirr lirt liru litb liti litl litr litt litu liut llll lmii lmmr lrmt lrrr ltbl ltib lttr luit luli lull lulu lumb lumi luri lurt luti mbim miii miit mili mill milr milt milu mim- mimi miri mirl mirr mirt miru mit- mitb miti mitm mitt mitu miui mlii mlit mltb mltr mmii mmli mmmm mrbb mrbm mrml mrtm mrtt mtlb mtrl mtrr mttr mubi muil muir muit muli mull mulm mult mulu mumm mumu muri murl murr murt muru muti mutt mutu muut rbbb rbbr rib- ribu rill rilu rimi rimm rimu riri riti ritl ritt ritu rlml rmll rmtu rrrr rrum rtlt rtmi rtml rubb rubi rubu ruit rull rumb rumi ruml rumm rumt ruri ruru ruti rutl rutt rutu tbil tbit tbrb tibi tibu tiit tiiu till tilr tilt timi timm timu tirb tiri tirl tirr tiru titi titt titu tium tlli tmbr tmil tmtt tri- trib tril trim trit trmb trmi trml trmu trtr trub trut truu ttbb ttim ttml tttt ttul tubb tubr tubu tuil tuim tuit tuiu tuli tull tulu tumb tumi tumu turb turi turm turr turt turu tuti tutl tutt tutu tuum ubbi ubii ubir ubit ubli uiml uirr ulim ulli ullr ulmi ulmu ulti ultt ulul ulum umb- umbi umit umri umut urbi urib urim uriu urmi urri urum urur urut util utmb utri utti uttu uulu uuri uuuu

bibri bilbi bili- billi billu bilum bilut bimli birmi birum birur bitit bitru bitti blirt blitt blurb blurr blurt bmiii brill brimm britt brmmm brrrr bruit bruiu brull brumm bruri btr-t built bulb- bulbi buliu bull- bulli bulti bulul bulut bumbu burim burli burri burru burtt burut butit butut buumi i-m-r ibbur ibill iiiii iitti ilium illit illui iltur ilulu imlil immit irbit irill irimi irrit itbit ittti itu-r itu-t ituri ituru itutu iuliu libri libru liliu lilli limbi limbu limit limlu limmu limui liril lirui litir littb litti litui liuli lubur lulli lulul lumb- lumi- lumir lummi lumut lutui lutum luuri mbiri mbulu mburu mbuti mi-lu mi-mi milil milim milli millu milmi mimir mimmi mirim mirri mirti mirul mitim mitti mitui mliii mlitt mmiii mmmmm mt-lb mt-ti mt-tm mt-tr mt-tt muill muiri mulli mult- multi mului mulur mumbi mumlu mummu murli murmi murri murru murti murum murut mutil mutlu mutti mutum ribbi rimmi rimul rimur rmutt rubbi rubim ruili ruiru rulli rummi rummu rutli rutul ruutu tbill tbtbt tbutt ti-ti tibbi tibbu tibur tilli tilmi timit timur tirit tirli tirru tirtl tirur titii titil titli titti tllbr tri-m tribu trill trit- tritt trium trubu truit trull ttttt tubi- tubli tubri tubul tuili tulim tulir tului tulum tumbi tumbu tumul tumut turbi turbt turit turmi turri turtu turul turut tutli tutti tuubi tuuli tuuri tuuru u-bit ubirr uitti ullur ulrum ululu uluru uluti umbil umblu umbri umiri urtlu urubu uruit uruli urumi ururi uruti urutu utili utrum uttur uturu uuuuu

bbbbbb bibiri bibiru bilbul billit biribi bitblt bitium bitrum bittil bittur blimbi blitum blublu bribir bribri brimir britil brubru bruill brutii brutti brutum bububu bulbil bulbul bullir bullit bummit burbur buriti bururi burutu butmir buttir i-bult ibilib ibrium illlit imbull imirim imlili ittiri iturbi lblrtm librul lilium lilliu liluri limbur limuli limuru litlum lituit llubi lubiri lubuli lumbri lumuli lurulu