b-u bbb bbd bbi bbm bbr bbs bbt bbu bdb bdd bdi bdm bdr bds bdt bdu bi- bib bid bii bim bir bis bit biu bmb bmd bmi bmm bmr bms bmt bmu brb brd bri brm brr brs brt bru bsb bsd bsi bsm bsr bss bst bsu btb btd bti btm btr bts btt btu bub bud bui bum bur bus but buu dbb dbd dbi dbm dbr dbs dbt dbu ddb ddd ddi ddm ddr dds ddt ddu di- dib did dii dim dir dis dit diu dmb dmd dmi dmm dmr dms dmt dmu drb drd dri drm drr drs drt dru dsb dsd dsi dsm dsr dss dst dsu dtb dtd dti dtm dtr dts dtt dtu dub dud dui dum dur dus dut i-d ibb ibd ibi ibm ibr ibs ibt ibu idb idd idi idm idr ids idt idu iib iid iii iim iir iis iit iiu im- imb imd imi imm ims imt imu ir- irb ird iri irm irr irs irt iru is- isb isd isi ism isr iss ist isu itb itd iti itm its itt itu iu- iub iud iui ium iur ius iut m-r mbb mbd mbi mbm mbr mbs mbt mbu mdb mdd mdi mdm mdr mds mdt mdu mi- mib mid mii mim mir mis mit miu mmb mmd mmi mmm mmr mms mmt mmu mrb mrd mri mrm mrr mrs mrt mru msb msd msi msm msr mss mst msu mtb mtd mti mtm mtr mts mtt mtu mub mud mui mum mur mus mut muu rbb rbd rbi rbm rbr rbs rbt rbu rdb rdd rdi rdm rdr rds rdt rdu rib rid rii rim rir ris rit rmb rmd rmi rmm rmr rms rmt rrb rrd rri rrm rrr rrs rrt rru rsb rsd rsi rsm rsr rss rst rsu rtb rtd rti rtm rtr rts rtt rtu rub rud rui rum rur rus rut ruu sbb sbd sbi sbm sbr sbs sbt sbu sdb sdd sdi sdm sdr sds sdt sdu sib sid sii sim sir sis sit siu smb smd smi smm smr sms smt smu sr- srb srd sri srm srr srs srt ss- ssb ssd ssi ssm ssr sss sst ssu stb std sti stm str sts stt stu sub sud sui sum sur sus sut suu tbb tbd tbi tbm tbr tbs tbt tbu tdb tdd tdi tdm tdr tds tdt tdu tib tid tii tim tir tis tit tiu tmb tmd tmi tmm tmr tms tmt tmu trb trd tri trm trr trs trt tru tsb tsd tsi tsm tsr tss tst tsu ttb ttd tti ttm ttr tts ttt ttu tub tud tui tum tur tus tut tuu ubb ubi ubr ubs ubt ubu udb udd udi udm udr uds udt udu uib uid uii uim uir uis uit uiu um- umb umd umi umm umr ums umt umu ur- urb urd uri urm urr urs urt uru usb usd usi usm usr uss ust usu utb utd uti utm utr uts utt utu uum uur uus uut uuu

-ism bbbb bbbs bbdd bd-r bdii bdmi bdrm bdsd bdsm bibb bibi bibs bidi bidr bids bidu biis bims birb bird biri birr birs birt biru bis- bisd biss bist bisu bitd bits bitt bitu bmdb bmir bmmi bmts bmus brdm brds brdt brid brim bris brit brrm brrr brrs brsb brsr brst brud brum brus brut bsbd bsim bsms bsmt bsrd bsrm bssd bssm bsts btdt btrt btss bttb btus bubb bubi bubs bubu budb budd budi buds budu buid buir buis buit buiu bum- bumb bums bur- burb burd buri burm burr burs burt buru busi buss bust busu but- buti buts butt buus dbit dbms dbrs dbss dbtt dbus dddd ddss ddts ddub dibb dibs didi dids didu diii diis dimi dimm dims dimu dird dirr dirs dirt dis- disd disi diss dist diti dits ditt dius dmds dmdt dmrb dmss dmst dmts dmus drib drit drms drrs drub drui drum drus drut druu dsdm dsdr dsmb dsms dsri dsrr dssi dsst dsts dtss dub- dubb dubs dubu dudd duds dudu duid duir duis duit dumb dumi dumm dums duri durt duru dusi dust duts duur duut ibbm ibid ibim ibis ibms ibrd ibri ibss ibtb ibts ibus idbm iddm idid idir idis idms idss idts idub idus iiii iiis iiit iirs iisd iisi iism iisr iist iisu iitm iitr iitt iium imbi imdb imdi imds imdt imid imir imit immi imms immt imri imrr imsi imsr imss imst imsu imts imus irbm irds iri- irid iris irms irri irrs irti irts irus isbd isbt isdb isds isim isis isit ismi isms isri issi issr isss issu istd isti istr ists isum isus itbs itim itis itms itri itrs itsi itsu itum itur iuds iuiu iums iusd iuss iust mbbs mbdb mbim mbis mbms mbrs mbus mddm mdds mdii mdis mdsd mdst mdud mibs mid- midi mids miii miis miit mim- mimd mimi mims mird miri mirr mirs mirt miru mis- misd misi misr miss mist misu mit- mitb miti mitm mits mitt mitu miui mmdb mmdi mmds mmii mmis mmmd mmmm mmms mmsd mmst mmsu mmts mmus mrbb mrbm mrbs mrdd mrds mris mrmd mrsd mrsi mrtm mrts mrtt mrud msid msmb msmm msms msmu msrb msrt mssi mssm mssr msst mstr msts msud msus mtbd mtbs mtrr mtss mtst mttr mtts mubi mubs mudd mudi muds mudu muid muir muis muit mumm mums mumu murd muri murr murs murt muru musd musi muss must musu muti muts mutt mutu muut rbbb rbbr rbbs rbds rbis rbms rbsd rbss rbst rdbm rdms rib- ribs ribu ridd ridi rids riis rimi rimm rims rimu riri rirs risd risi rism riss rist risu riti rits ritt ritu rius rmbs rmst rmtu rrrr rrum rsbi rsdd rsds rsid rsis rsts rstu rsum rtdt rtmi rtms rtss rtts rubb rubi rubs rubu rudd rudi ruds ruid ruis ruit rumb rumi rumm rums rumt rurd ruri rurs