-er b-u bbb bbe bbi bbm bbr bbs bbu be- beb bee bei bem ber bes beu bev bi- bib bie bii bim bir bis biu biv bmb bme bmi bmm bmr bms bmu bmv brb bre bri brm brr brs bru brv bsb bse bsi bsm bsr bss bsu bsv bub bue bui bum bur bus buu bvb bve bvi bvm bvr bvs bvu bvv ebb ebe ebi ebm ebr ebs ebu ebv eeb eee eem eer ees eev eib eie eii eim eir eis eiu eiv em- emb eme emi emm emr ems emu emv erb ere eri erm err ers eru erv es- esb ese esi esm esr ess esu esv eu- eub eue eui eur eus euv evb eve evi evm evr evs evv i-v ibb ibe ibi ibm ibr ibs ibu ibv ie- iee iei iem ier ies iev iib iie iii iim iir iis iiu im- imb ime imi imm ims imu imv ir- irb ire iri irm irr irs iru irv is- isb ise isi ism isr iss isu isv iu- iub iue iui ium iur ius ivb ive ivi ivr ivs ivu ivv m-r m-v mbb mbe mbi mbm mbr mbs mbu mbv meb mee mei mem mer mes meu mev mi- mib mie mii mim mir mis miu miv mmb mme mmi mmm mmr mms mmu mmv mrb mre mri mrm mrr mrs mru mrv msb mse msi msm msr mss msu msv mub mue mui mum mur mus muu mvb mve mvi mvm mvr mvs mvv rbb rbe rbi rbm rbr rbs rbu re- reb ree rei rem rer res reu rev rib rie rii rim rir ris riv rmb rme rmi rmm rmr rms rmv rrb rri rrm rrr rrs rru rsb rse rsi rsm rsr rss rsu rsv rub rue rui rum rur rus ruu ruv rvb rve rvi rvm rvr rvs rvu rvv sbb sbe sbi sbm sbr sbs sbu sbv se- seb see sei sem ser ses seu sev sib sie sii sim sir sis siu siv smb sme smi smm smr sms smu smv sr- srb sre sri srm srr srs srv ss- ssb sse ssi ssm ssr sss ssu ssv sub sue sui sum sur sus suu suv svb sve svi svm svr svs svu svv ubb ube ubi ubr ubs ubu ubv ueb uee uei uem uer ues uib uie uii uim uir uis uiu um- umb ume umi umm umr ums umu ur- urb ure uri urm urr urs uru usb use usi usm usr uss usu usv uue uum uur uus uuu uvb uve uvm uvs uvu uvv v-e vbi vbm vbr vbs vbv veb vee vei vem ver ves veu vi- vib vie vii vim vir vis viu viv vm- vmi vmm vmr vmu vrb vre vri vrm vrr vrs vru vsb vse vsi vsm vsr vss vsu vsv vue vum vur vus vuv vvb vvi vvm vvr vvs vvv

-ism bbbb bbbs bbeb bebb bebe bebi beeb beem beer bees beim beir beis beme bemu bere beri berm berr bers beru bes- bese besm bess beur bevs bibb bibe bibi bibs bieb bier bies bieu biis bims birb bire biri birr birs biru bis- bise biss bisu bive bivi bmir bmmi bmus breb bree brei brem brer bres brev brie brim bris brrm brrr brrs brsb brsr brue brum brus bruv brvi brvm bseb bsee bser bses bsim bsms bsrm bsse bssm bubb bube bubi bubs bubu buem buer bueu buie buir buis buiu bum- bumb bums bur- burb bure buri burm burr burs buru buse busi buss busu buus buve ebbr ebbs eber ebes ebis ebru ebur ebus eeee eees eems eers eese eesi eiei eier eies eime eimi eims eire eirs eise eiss embe embi embr embs emer emes emeu emii emim emir emis emme emmi emms emmu emre emrs emse emus erbb erbe ereb erei erem erer eres erev erie erim eris eriu erme erms erre errs erse ersi erub erum erur erus eruv erve ervi esbs esee esem eser eses esie esis esme esmr esri esse essi essu esui esus eubi euer eums eur- eure euse ever eves evie evir evms evre evrs i-be ibbm ibes ibie ibim ibis ibms ibri ibss ibus ieie ieme iems iere ieri iers iesi iesr iesu iies iiie iiii iiis iirs iisi iism iisr iisu iium imbe imbi imer imes imir imme immi imms imre imri imrr imsi imsr imss imsu imue imus imvu irbe irbm iree irem irer ires iri- irie iris irms irre irri irrs irse irus irvs isbe iseb isee iser ises isie isim isis isme ismi isms isri isse issi issr isss issu isum isus iuiu iums iuse iuss ivbv iver ives ivie ivim ivms ivre ivrs ivue mbbs mbes mbim mbis mbms mbrs mbus mebe meem meer mees meir meis meme memr mems memu mer- merb mere meri merm mers meru merv mes- mese mesi mesr mess meum meus meve mibs miee miem mier mies mieu miev miii miis mim- mime mimi mims mire miri mirr mirs miru mirv mis- mise misi misr miss misu miui mmes mmii mmis mmiv mmmm mmms mmse mmsu mmus mmvi mrbb mrbm mrbs mreb mree mres mris mrse mrsi msee msem msmb msmm msms msmu msrb mssi mssm mssr msus msvs mube mubi mubs muee mues muie muir muis mume mumm mums mumu mure muri murr murs muru muse musi muss musu muve mvee mvii rbbb rbbr rbbs rbis rbms rbss rebb rebe rebs rebu reeb reem rees reev reii reim reir reis reiu reme remi rems rere reri rers reru rese resi ress reue reus reuu reve revi revs rib- ribe ribs ribu riem rier ries rieu riis rime rimi rimm rims rimu rire riri rirs rise risi rism riss risu riue rius rive rivs rmbs rmmv rmvb rrrr rrum rsbi rsee rsis rsme rsmv rsre rsum rubb rube rubi rubs rubu ruer rues ruis rumb rume rumi rumm rums rure ruri rurs ruru ruse rusi russ