b-u bbb bbi bbk bbm bbr bbs bbu bi- bib bii bik bim bir bis biu bkb bkk bkm bkr bks bmb bmi bmk bmm bmr bms bmu brb bri brk brm brr brs bru bsb bsi bsk bsm bsr bss bsu bub bui buk bum bur bus buu ibb ibi ibk ibm ibr ibs ibu iib iii iim iir iis iiu ikb iki ikk ikr iks iku im- imb imi imm ims imu ir- irb iri irk irm irr irs iru is- isb isi isk ism isr iss isu iu- iub iui ium iur ius kbb kbi kbk kbm kbr kbs kbu kib kii kik kim kir kis kiu kkb kki kkk kkm kkr kks kku kmb kmi kmk kmm kms kmu kri krk krr krs kru ksb ksi ksk ksm ksr kss ksu kub kui kuk kum kur kus kuu m-r mbb mbi mbk mbm mbr mbs mbu mi- mib mii mik mim mir mis miu mkb mkk mkm mkr mks mku mmb mmi mmk mmm mmr mms mmu mrb mri mrk mrm mrr mrs mru msb msi msk msm msr mss msu mub mui muk mum mur mus muu rbb rbi rbk rbm rbr rbs rbu rib rii rik rim rir ris rkb rkk rkm rks rku rmb rmi rmm rmr rms rrb rri rrk rrm rrr rrs rru rsb rsi rsk rsm rsr rss rsu rub rui ruk rum rur rus ruu sbb sbi sbk sbm sbr sbs sbu sib sii sik sim sir sis siu sk- skb ski skk skm skr sks sku smb smi smk smm smr sms smu sr- srb sri srk srm srr srs ss- ssb ssi ssk ssm ssr sss ssu sub sui suk sum sur sus suu ubb ubi ubk ubr ubs ubu uib uii uim uir uis uiu ukb uki ukk ukr uku um- umb umi umm umr ums umu ur- urb uri urk urm urr urs uru usb usi usk usm usr uss usu uum uur uus uuu

-ism bbbb bbbs bibb bibi bibs biis biku bims birb biri birk birr birs biru bis- bisk biss bisu bmir bmmi bmus brik brim bris brkb brrm brrr brrs brsb brsr brum brus bsim bsms bsrm bssm bubb bubi bubs bubu buik buir buis buiu buki bukk buku bum- bumb bums bur- burb buri burk burm burr burs buru busi busk buss busu buus ibbm ibim ibis ibms ibri ibss ibus iiii iiis iirs iisi iism iisr iisu iium ikki ikri iksu imbi imir immi imms imri imrr imsi imsk imsr imss imsu imus irbm iri- iris irki irks irms irri irrs irus isim isis isku ismi isms isri issi issr isss issu isum isus iuiu iums iuss kbbb kbbi kbbk kbbm kbbr kbbs kbbu kbib kbik kbim kbis kbiu kbkb kbkk kbkr kbmb kbmi kbmr kbms kbrb kbri kbrk kbru kbsb kbsi kbsk kbsm kbsr kbss kbsu kbub kbuk kbur kbus kbuu kibb kibi kibr kibs kibu kiii kiik kiis kiiu kiki kikk kikr kiku kimb kimi kimm kims kirb kiri kirk kirr kirs kiru kisi kisk kism kisr kiss kisu kiur kiuu kkbb kkbi kkbr kkbs kkik kkim kkkk kkmi kkmk kkmr kkms kkrb kkrk kkrr kkrs kksi kksm kksr kkss kksu kkus kkuu kmbi kmbr kmbs kmis kmkk kmks kmmk kmmm kmmr kmms kmrb kmri kmrr kmrs kmsb kmsi kmsr kmss kmsu kmur kmus krbb krbi krbk krbm krbr krib krik krim kris krki krkk krkr krks krku krmb krmr krms krrb krri krrk krrm krrr krrs krsk krsr krss krsu krui kruk krum krur ksbi ksbr ksbs ksib ksii ksik ksim ksir ksis kskb kskk kskr ksks ksku ksmb ksmm ksmr ksms ksmu ksrb ksrm ksrr ksrs kssi kssm kssr ksss kssu ksub ksui ksum ksuu kubb kubr kubs kubu kuik kuki kukk kuks kuku kumi kumm kumr kumu kurb kuri kurk kurm kurr kurs kuru kusb kusu kuub kuuk kuur kuuu mbbs mbim mbis mbms mbrs mbus mibs miii miis miki mikk miks miku mim- mimi mims miri mirk mirr mirs miru mis- misi misr miss misu miui mkks mksm mmii mmis mmmm mmms mmsu mmus mrbb mrbm mrbs mris mrkr mrsi mruk msmb msmm msms msmu msrb mssi mssm mssr msus mubi mubs muir muis muki mumm mums mumu muri murk murr murs muru musi musk muss musu rbbb rbbr rbbs rbis rbmk rbms rbss rib- ribs ribu riis riki rikk riku rimi rimm rims rimu riri rirs risi risk rism riss risu rius rkss rmbs rrkm rrrr rrum rsbi rsis rsum rubb rubi rubs rubu ruis ruki rukk ruku rumb rumi rumm rums ruri rurs ruru rusi rusk russ rusu s-ib s-ii sbbs sbrk sbsi sbus sibi sibs sibu siik siim siki sikr siks siku simi simm sims siri sirk sirr sirs siru sisi sisk siss sisu siui sium sius skik skim skir skis skiu skss skui skum skur smis smkb smki smrk smss smur smus srib srim sris srub ssbr ssis ssri ssrm ssrs sssb sssi sssm ssss sub- subb subi subm subs suir suis suki suks suku sum- sumi sums sumu sur- suri surr surs suru sus- susi susk suss susu suum suus ubbi ubii ubik ubir ubis uims uirr ukum ukur umb- umbi umik umms umri umsu umus urbi urbs urib urik urim uris uriu urmi urri ursi urss ursu uruk urum urur urus us-k usbr usbs usim usis usmm usms ussb ussr usss ussu usui usus uuri uusi uuuu

b-r-k bbuss bibbs bibis bibri bibus biisk bikus birks birmi birrs birsk birum birur bisks bmiii brimm brims brisb brisi brisk briss brmmm brrrr bruik bruis bruiu brumm bruri brusk bruss buiki bukk- bukki bumbu bumsi burbs burim burks burri burrs burru buruk burus busir busks bussu busum busur busuu buumi i-m-r ibbur ibrik ibuki iiiii iikss iiris iisir ikiru ikiss iksir ikumi ikuri ikusi imiss imris irbis irbms iriki irimi iris- iriss irisu irssi is-is isisi ismir ismus isrib issru issum issus issuu isumi isuus kibbi kibi- kiiki kikis kikki kikuu kimbu kimri kimuu kiris kirki kirks kirsi kirui