b-u bbb bbi bbm bbr bbs bbu bbx bi- bib bii bim bir bis biu bix bmb bmi bmm bmr bms bmu bmx brb bri brm brr brs bru brx bsb bsi bsm bsr bss bsu bsx bub bui bum bur bus buu bux bxb bxi bxm bxx ibb ibi ibm ibr ibs ibu ibx iib iii iim iir iis iiu iix im- imb imi imm ims imu imx ir- irb iri irm irr irs iru irx is- isb isi ism isr iss isu iu- iub iui ium iur ius ixi m-r mbb mbi mbm mbr mbs mbu mbx mi- mib mii mim mir mis miu mix mmb mmi mmm mmr mms mmu mmx mrb mri mrm mrr mrs mru mrx msb msi msm msr mss msu msx mub mui mum mur mus muu mux mxi mxr mxs mxu rbb rbi rbm rbr rbs rbu rbx rib rii rim rir ris rix rmb rmi rmm rmr rms rmx rrb rri rrm rrr rrs rru rsb rsi rsm rsr rss rsu rsx rub rui rum rur rus ruu rux rxr rxs sbb sbi sbm sbr sbs sbu sbx sib sii sim sir sis siu six smb smi smm smr sms smu smx sr- srb sri srm srr srs srx ss- ssb ssi ssm ssr sss ssu ssx sub sui sum sur sus suu sux sxi sxm sxs sxu ubb ubi ubr ubs ubu ubx uib uii uim uir uis uiu um- umb umi umm umr ums umu ur- urb uri urm urr urs uru urx usb usi usm usr uss usu usx uum uur uus uuu uxb uxr uxu xbr xbx xii xis xiu xix xmi xmm xmr xms xmu xmx xrx xsb xsi xsm xss xui xus xxi xxx

-ism bbbb bbbs bibb bibi bibs biis bims bimx birb biri birr birs biru birx bis- biss bisu bixi bmir bmmi bmus brim bris brix brrm brrr brrs brsb brsr brum brus brux bsim bsix bsms bsrm bssm bubb bubi bubs bubu buir buis buiu buix bum- bumb bums bur- burb buri burm burr burs buru busi buss busu busx buus ibbm ibim ibis ibms ibmx ibri ibss ibus iiii iiis iirs iisi iism iisr iisu iium imbi imir imix immi imms imri imrr imsi imsr imss imsu imsx imus irbm iri- iris irix irms irri irrs irus isbx isim isis ismi isms isri issi issr isss issu isum isus iuiu iums iuss ixxi mbbs mbim mbis mbms mbrs mbus mibs miii miis mim- mimi mims miri mirr mirs miru mis- misi misr miss misu miui mixi mixx mmii mmis mmix mmmm mmms mmsu mmus mmxi mmxx mrbb mrbm mrbs mris mrsi msmb msmm msms msmu msrb mssi mssm mssr msus mubi mubs muir muis mumm mums mumu muri murr murs muru musi muss musu muxi muxu mxii mxim mxxi rbbb rbbr rbbs rbis rbms rbmx rbss rib- ribs ribu riis rimi rimm rims rimu riri rirs risi rism riss risu rius rmbs rrrr rrum rsbi rsis rsmx rsum rubb rubi rubs rubu ruis rumb rumi rumm rums ruri rurs ruru rusi russ rusu s-ib s-ii sbbs sbsi sbus sibi sibs sibu siim simi simm sims siri sirr sirs siru sisi siss sisu siui sium sius sixx smis smss smur smus srib srim sris srub ssbr ssis ssri ssrm ssrs sssb sssi sssm ssss sub- subb subi subm subs suir suis sum- sumi sums sumu sur- suri surr surs suru sus- susi suss susu suum suus sux- ubbi ubii ubir ubis uims uimx uirr umb- umbi umms umri umsu umus urbi urbs urib urim uris uriu urix urmi urri ursi urss ursu urum urur urus usbr usbs usim usis usix usmm usms ussb ussr usss ussu usui usus uuri uusi uuuu uxus xibu xiii xisi xixi xmii xmms xuri xurs xuxu xxii xxix xxxi xxxx

bbuss bibbs bibis bibri bibus birmi birrs birum birur bmiii brimm brims brisb brisi briss brixx brmmm brmsx brrrr bruis bruiu brumm bruri bruss bumbu bumix bumsi burbs burim burri burrs burru burus busir bussu busum busur busuu buumi buxus i-m-r ibbur iiiii iiris iisir imiss immix imris irbis irbms irimi iris- iriss irisu irssi is-is isisi ismir ismus isrib issru issum issus issuu isumi isuus mbiri mburu mi-mi mibbs mimir mimis mimmi mimms mimus mirim miris mirri mis-x mismi misri missi missm missx mixis mixxx mmiii mmmmm mmxii ms-ii msiri msisi muiri muirs mumbi mummu muris murmi murri murru murum murus musir musis musri mxiii ribbi ribxi riisu rimmi rimur rimus risum risus rubbi rubim rubis rubus ruiru rumis rummi rummu rus-m russi s-bus s-iii sibir sibiu sibsu sibur simbi simbu simis simmi simms simum simus sirim siris siriu sirsi sirum sirur sisis sismi sissi sissu siumu siuri siuru siusi smbus smirr smixi smurr smuss smuxi ssmis sssrb sssss su-mi subbu subis subss suibu suixi summi sumru sumui sumur sumxi sumxu surir suris surui surur surus susus ubirr ubisi ubris uibis umbri umiri urbis urmis urris ursus urubu urumi urums ururi urusi ususi uuism uusis uuuuu x-ris xbxrx ximss xxiii xxxii xxxix

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