b-u bbb bbi bbm bbn bbr bbs bbu bi- bib bii bim bin bir bis biu biv bmb bmi bmm bmn bmr bms bmu bmv bnb bni bnn bnr bns bnu bnv brb bri brm brn brr brs bru brv bsb bsi bsm bsn bsr bss bsu bsv bub bui bum bun bur bus buu bvb bvi bvm bvn bvr bvs bvu bvv i-v ibb ibi ibm ibn ibr ibs ibu ibv iib iii iim iin iir iis iiu im- imb imi imm imn ims imu imv in- inb ini inm inn inr ins inu inv ir- irb iri irm irn irr irs iru irv is- isb isi ism isn isr iss isu isv iu- iub iui ium iur ius ivb ivi ivr ivs ivu ivv m-r m-v mbb mbi mbm mbr mbs mbu mbv mi- mib mii mim min mir mis miu miv mmb mmi mmm mmn mmr mms mmu mmv mnb mni mnm mnn mnr mns mnu mrb mri mrm mrn mrr mrs mru mrv msb msi msm msn msr mss msu msv mub mui mum mun mur mus muu mvb mvi mvm mvn mvr mvs mvv n-i nbb nbi nbm nbn nbr nbs nbu nbv nib nii nim nin nir nis niu niv nmb nmi nmm nmn nmr nms nmu nnb nni nnm nnn nns nnu nnv nrb nri nrm nrn nrr nrs nru nrv nsb nsi nsm nsn nsr nss nsu nsv nub nui num nun nur nus nuu nuv nvb nvi nvm nvn nvu nvv rbb rbi rbm rbn rbr rbs rbu rib rii rim rin rir ris riv rmb rmi rmm rmn rmr rms rmv rnb rni rnm rnn rnr rns rnu rnv rrb rri rrm rrn rrr rrs rru rsb rsi rsm rsn rsr rss rsu rsv rub rui rum run rur rus ruu ruv rvb rvi rvm rvn rvr rvs rvu rvv sbb sbi sbm sbn sbr sbs sbu sbv sib sii sim sin sir sis siu siv smb smi smm smn smr sms smu smv snb sni snm snn snr sns snu snv sr- srb sri srm srn srr srs srv ss- ssb ssi ssm ssn ssr sss ssu ssv sub sui sum sun sur sus suu suv svb svi svm svn svr svs svu svv ubb ubi ubn ubr ubs ubu ubv uib uii uim uin uir uis uiu um- umb umi umm umn umr ums umu un- unb uni unm unn unr uns unu unv ur- urb uri urm urn urr urs uru usb usi usm usn usr uss usu usv uum uun uur uus uuu uvb uvm uvs uvu uvv vbi vbm vbr vbs vbv vi- vib vii vim vin vir vis viu viv vm- vmi vmm vmn vmr vmu vn- vni vnm vnr vns vnu vnv vrb vri vrm vrn vrr vrs vru vsb vsi vsm vsn vsr vss vsu vsv vum vur vus vuv vvb vvi vvm vvr vvs vvv

-ism bbbb bbbs bbin bibb bibi bibs biin biis bims bin- bini binn bins binu birb biri birn birr birs biru bis- biss bisu bivi bmir bmmi bmus bnib bnim bnin bnrr bnss brim brin bris brns brrm brrr brrs brsb brsr brum brun brus bruv brvi brvm bsim bsin bsms bsns bsrm bssm bubb bubi bubs bubu buin buir buis buiu bum- bumb bums bunb buni bunn buns bunu bur- burb buri burm burn burr burs buru busi buss busu buus ibbm ibim ibis ibms ibns ibri ibsn ibss ibus iiii iiis iinm iirs iisi iism iisr iisu iium imbi imin imir immi imms imri imrr imsi imsr imss imsu imun imus imvu inis inni innr inns innu inri inrs inss insu inui inun inus invs irbm iri- irin iris irms irri irrs irun irus irvs isbn isim isin isis ismi isms isri issi issr isss issu isum isus iuiu iums iuss ivbv ivim ivin ivms ivrs mbbs mbim mbis mbms mbrs mbus mibs miii miin miis mim- mimi mims mini minn mins minu miri mirr mirs miru mirv mis- misi misn misr miss misu miui mmii mmis mmiv mmmm mmms mmsu mmun mmus mmvi mnbb mnin mnis mrbb mrbm mrbs mris mrsi msmb msmm msms msmu msrb mssi mssm mssr msun msus msvs mubi mubs muin muir muis mumm mums mumu muni munn muns munu muri murn murr murs muru musi muss musu mvii mvsn n-ii nibi nibm nibs niir niiu nimb nimi nimr nims nimu nini nins nirs niru nirv nisi niss nisu niur nivr nmis nmri nnnn nnss nrsv nsbm nsin nsis nsmb nsnr nssb nssr nsss nsub nubi nubs nuim nuin numb numi numm nums numu nunn nuns nuri nurn nurr nurs nuru nurv nusi nuss nusu nvir nvis nvss rbbb rbbr rbbs rbis rbms rbss rib- ribs ribu riin riis rimi rimm rims rimu rinn riri rirs risi rism riss risu rius rivs rmbs rmmv rmvb rnbr rnin rrrr rrum rrun rsbi rsis rsmv rsnn rsnr rsum rubb rubi rubs rubu ruin ruis rumb rumi rumm rums runi runn runs ruri rurs ruru rusi russ rusu ruun ruvi ruvu s-ib s-ii s-iv sbbs sbsi sbus sibi sibs sibu siim simi simm sims sini sinn sins sinu siri sirr sirs siru sisi siss sisu siui sium sius sivi smin smis smsn smss smur smus snib snir snns snrs snub snum snur snus snvi srib srim sris srni srnn srub srvn ssbn ssbr ssin ssis ssns ssri ssrm ssrs sssb sssi sssm ssss ssvm sub- subb subi subm subs suin suir suis sum- sumi sums sumu sun- sunb suni sunn suns sunu sur- suri surn surr surs suru surv sus- susi suss susu suum suus suvi suvs svim svir svns ubbi ubii ubir ubis uims uirr umb- umbi umms umri umsu umus uni- unii unin unir unis univ unmr unni unns unrs uns- unum unus urbi urbs urib urim urin uris uriu urmi urni urns urri ursi urss ursu urum urun urur urus usbr usbs usim usin usis usmm usms usnr usnu ussb ussr usss ussu usui usun usus uuni uuri uusi