b-u bbb bbi bbm bbr bbs bbu bby bi- bib bii bim bir bis biu biy bmb bmi bmm bmr bms bmu brb bri brm brr brs bru bry bsb bsi bsm bsr bss bsu bsy bub bui bum bur bus buu buy by- byi bym byr bys byu ibb ibi ibm ibr ibs ibu iby iib iii iim iir iis iiu im- imb imi imm ims imu imy ir- irb iri irm irr irs iru iry is- isb isi ism isr iss isu isy iu- iub iui ium iur ius iym iyr iys iyy m-r mbb mbi mbm mbr mbs mbu mi- mib mii mim mir mis miu miy mmb mmi mmm mmr mms mmu mrb mri mrm mrr mrs mru mry msb msi msm msr mss msu msy mub mui mum mur mus muu muy my- myb mym myr mys myu rbb rbi rbm rbr rbs rbu rib rii rim rir ris riy rmb rmi rmm rmr rms rrb rri rrm rrr rrs rru rsb rsi rsm rsr rss rsu rub rui rum rur rus ruu ruy ry- rym ryr rys ryu ryy sbb sbi sbm sbr sbs sbu sby sib sii sim sir sis siu smb smi smm smr sms smu smy sr- srb sri srm srr srs sry ss- ssb ssi ssm ssr sss ssu sub sui sum sur sus suu suy sy- syb syi sym syr sys syu ubb ubi ubr ubs ubu uby uib uii uim uir uis uiu um- umb umi umm umr ums umu ur- urb uri urm urr urs uru ury usb usi usm usr uss usu uum uur uus uuu uyi uys uyu ybi ybm ybr ybs yby yii yim yir yis ymi ymm yms yrs yru ysb ysi ysm ysr yss ysu ysy yui yum yur yus yuu yuy yyb yys yyu yyy

-ism bbbb bbbs bibb bibi bibs biis bims birb biri birr birs biru biry bis- biss bisu bisy biys bmir bmmi bmus brim bris brrm brrr brrs brsb brsr brum brus bry- bsim bsms bsrm bssm bubb bubi bubs bubu buir buis buiu bum- bumb bums bur- burb buri burm burr burs buru bury busi buss busu busy buus buyi buys buyu bysb bysi bysm byss bysy i-by ibbm ibim ibis ibms ibri ibss ibus ibuy ibyi iiii iiis iirs iisi iism iisr iisu iium imbi imir immi imms immy imri imrr imsi imsr imss imsu imus irbm irby iri- iris iriy irms irri irrs irus isim isis ismi isms ismy isri issi issr isss issu issy isum isus isys iuiu iums iuss mbbs mbim mbis mbms mbrs mbus mibs miii miis mim- mimi mims mimy miri mirr mirs miru miry mis- misi misr miss misu misy miui miyu mmii mmis mmmm mmms mmsu mmus mmyy mrbb mrbm mrbs mris mrsi msmb msmm msms msmu msrb mssi mssm mssr msus mubi mubs muir muis mumm mums mumu mumy muri murr murs muru mury musi muss musu muys mybb mybi myi- myir myis mymy myrr myry mys- myss myus myys rbbb rbbr rbbs rbis rbms rbss rib- ribs ribu riby riis rimi rimm rims rimu rimy riri rirs risi rism riss risu rius rmbs rrrr rrum rsbi rsis rsum rubb rubi rubs rubu ruby ruis rumb rumi rumm rums rumy ruri rurs ruru rusi russ rusu rusy ruyi ruys ryim ryis rysy s-ib s-ii sbbs sbsi sbus sibi sibs sibu siby siim simi simm sims simy siri sirr sirs siru sisi siss sisu sisy siui sium sius siyi siyu smis smry smss smur smus srby srib srim sris srub ssbr ssby ssis ssri ssrm ssrs sssb sssi sssm ssss sub- subb subi subm subs suir suis sum- sumi sums sumu sumy sur- suri surr surs suru sury sus- susi suss susu susy suum suus suyi suyr suyu syis sym- symi syms syrs syry syss ubbi ubii ubir ubis uims uirr umb- umbi umms umri umsu umus urbi urbs urib urim uris uriu urmi urri urry ursi urss ursu ursy urum urur urus usbr usbs usim usis usmm usms ussb ussr usss ussu ussy usui usus uuri uusi uuuu uyir ybbs ybry yirb yirm yirr yiss ymir ymur ysby ysii yssu ysyb yubu yumi yuri yury yuyu yyyy

bbuss bibbs bibby bibis bibri bibus bimmy birmi birrs birsy birum birur biryu bisby bissy bmiii brimm brims brisb brisi briss brmmm brrrr bruis bruiu brumm bruri bruss brusy bruys brys- bryum bubby bubry bubsy buisy bumbu bumby bummy bumsi burbs burim burri burrs burru burry burus busby busir bussu bussy busum busur busuu buumi buysy by-by bybib bybus byrum bysm- byssi bysym i-m-r ibbur iiiii iiris iisir iisys imiss imris irbis irbms irimi iris- iriss irisu irssi is-is isisi ismir ismus isrib issru issum issus issuu isumi isuus isyss iyiyi mbiri mbiyu mburu mi-mi mibbs mimir mimis mimmi mimms mimsy mimus mirim miris mirri mismi misri missi missm missy misys mmiii mmmmm mruby ms-ii msiri msisi muiri muirs mumbi mumby mummu mummy mumry mumsy muris murmi murri murru murry murum murus musir musis musri mussy my-my mybus myri- mysis mysms mysus ribbi ribby ribsy riisu rimmi rimur rimus risby risum risus rubbi rubby rubim rubis rubus rubys ruiru rumis rummi rummu rummy rus-m russi russy rybi rysum ryuir s-bus s-iii sibir sibiu sibsu sibur simbi simbu simis simmi simms simum simus sirim siris siriu sirsi sirsy sirum sirur sisis sismi sissi sissu sissy siumu siuri siuru siusi siuyu siyum smbus smirr smurr smuss sruby ssmis sssrb sssss su-mi subbu subby subis subss suibu summi sumru sumui sumur surir suris surry sursy surui surur surus sussy susus syrus syuri ubirr ubisi ubris uibis umbri umiri umiry urbis urmis urris ursus urubu urumi urums ururi urusi uryu uryuu usbby usury ususi uuism uusis uuuuu yibir yimby yimyu yu-ri yumbi yummy yurim yuris

bbbbbb bibiri bibiru bibsys bibury biribi birrus bisuyu bribir bribri brimir brimmy brimus brissy brubru brumby brummy brumus bububu buissy bumbis burbur burris bururi bussum byrrus byssus ibrium imbrus imbusy imirim immiss imuris irisys ismism isurus miburi mirrus miruru