-er b-u bbb bbe bbi bbm bbr bbs bbt bbu be- beb bee bei bem ber bes bet beu bi- bib bie bii bim bir bis bit biu bmb bme bmi bmm bmr bms bmt bmu brb bre bri brm brr brs brt bru bsb bse bsi bsm bsr bss bst bsu btb bte bti btm btr bts btt btu bub bue bui bum bur bus but buu ebb ebe ebi ebm ebr ebs ebt ebu eeb eee eem eer ees eet eib eie eii eim eir eis eit eiu em- emb eme emi emm emr ems emt emu erb ere eri erm err ers ert eru es- esb ese esi esm esr ess est esu etb ete eti etm etr ets ett etu eu- eub eue eui eur eus eut ibb ibe ibi ibm ibr ibs ibt ibu ie- iee iei iem ier ies iet iib iie iii iim iir iis iit iiu im- imb ime imi imm ims imt imu ir- irb ire iri irm irr irs irt iru is- isb ise isi ism isr iss ist isu itb ite iti itm its itt itu iu- iub iue iui ium iur ius iut m-r mbb mbe mbi mbm mbr mbs mbt mbu meb mee mei mem mer mes met meu mi- mib mie mii mim mir mis mit miu mmb mme mmi mmm mmr mms mmt mmu mrb mre mri mrm mrr mrs mrt mru msb mse msi msm msr mss mst msu mtb mte mti mtm mtr mts mtt mtu mub mue mui mum mur mus mut muu rbb rbe rbi rbm rbr rbs rbt rbu re- reb ree rei rem rer res ret reu rib rie rii rim rir ris rit rmb rme rmi rmm rmr rms rmt rrb rri rrm rrr rrs rrt rru rsb rse rsi rsm rsr rss rst rsu rtb rte rti rtm rtr rts rtt rtu rub rue rui rum rur rus rut ruu sbb sbe sbi sbm sbr sbs sbt sbu se- seb see sei sem ser ses set seu sib sie sii sim sir sis sit siu smb sme smi smm smr sms smt smu sr- srb sre sri srm srr srs srt ss- ssb sse ssi ssm ssr sss sst ssu stb ste sti stm str sts stt stu sub sue sui sum sur sus sut suu tbb tbe tbi tbm tbr tbs tbt tbu te- teb tee tei tem ter tes tet teu tib tie tii tim tir tis tit tiu tmb tme tmi tmm tmr tms tmt tmu trb tre tri trm trr trs trt tru tsb tse tsi tsm tsr tss tst tsu ttb tte tti ttm ttr tts ttt ttu tub tue tui tum tur tus tut tuu ubb ube ubi ubr ubs ubt ubu ueb uee uei uem uer ues uet uib uie uii uim uir uis uit uiu um- umb ume umi umm umr ums umt umu ur- urb ure uri urm urr urs urt uru usb use usi usm usr uss ust usu utb ute uti utm utr uts utt utu uue uum uur uus uut uuu

-ism bbbb bbbs bbeb bbet bebb bebe bebi beeb beem beer bees beet beim beir beis beit beme bemu bere beri berm berr bers bert beru bes- bese besm bess best bete beti bets bett betu beur bibb bibe bibi bibs bieb bier bies biet bieu biis bims birb bire biri birr birs birt biru bis- bise biss bist bisu bite bits bitt bitu bmir bmmi bmts bmus breb bree brei brem brer bres bret brie brim bris brit brrm brrr brrs brsb brsr brst brue brum brus brut bseb bsee bser bses bset bsim bsms bsmt bsrm bsse bssm bsts btie btrt btss bttb btus bubb bube bubi bubs bubu buem buer bueu buie buir buis buit buiu bum- bumb bums bur- burb bure buri burm burr burs burt buru buse busi buss bust busu but- bute buti buts butt buus ebbr ebbs eber ebes ebis ebit ebru ebur ebus eeee eees eems eers eese eesi eete eets eetu eiei eier eies eime eimi eims eire eirs eise eiss eist eitb eiti eitm eitr embe embi embr embs emer emes emet emeu emii emim emir emis emit emme emmi emms emmu emre emrs emse emst emte emts emus erbb erbe ereb erei erem erer eres eret erie erim eris erit eriu erme erms erre errs erse ersi erst erts ertu erub erum erur erus esbs esee esem eser eses eset esie esis esit esme esmr esmt esri esse essi esst essu este estr ests esui esus etbr etee etem eter etes etim etre etrm etsi etsu ette etti ettu etui eubi euer eums eur- eure eurt euse i-be ibbm ibes ibet ibie ibim ibis ibms ibri ibss ibtb ibts ibus ieet ieie ieme iems iere ieri iers iesi iesr iest iesu ietm iett iies iiie iiii iiis iiit iirs iisi iism iisr iist iisu iitm iitr iitt iium imbe imbi imer imes imet imir imit imme immi imms immt imre imri imrr imsi imsr imss imst imsu imts imue imus irbe irbm iree irem irer ires iri- irie iris irms irre irri irrs irse irte irti irts irus isbe isbt iseb isee iser ises iset isie isim isis isit isme ismi isms isri isse issi issr isss issu iste isti istr ists isum isus itbe itbs item iter ites itet itie itim itis itme itms itri itrs itse itsi itsu itum itur iuiu iums iuse iuss iust mbbs mbes mbim mbis mbms mbrs mbus mebe meem meer mees meet meir meis meit meme memr mems memu mer- merb mere meri merm mers mert meru mes- mese mesi mesr mess mest met- mete meti mets mett metu meum meus mibs miee miem mier mies miet mieu miii miis miit mim- mime mimi mims mire miri mirr mirs mirt miru mis- mise misi misr miss mist misu mit- mitb mite miti mitm mits mitt mitu miui mmes mmii mmis mmmm mmms mmse mmst mmsu mmts