-er bbb bbe bbi bbm bbr bbs bbt be- beb bee bei bem ber bes bet bi- bib bie bii bim bir bis bit bmb bme bmi bmm bmr bms bmt brb bre bri brm brr brs brt bsb bse bsi bsm bsr bss bst btb bte bti btm btr bts btt ebb ebe ebi ebm ebr ebs ebt eeb eee eem eer ees eet eib eie eii eim eir eis eit em- emb eme emi emm emr ems emt erb ere eri erm err ers ert es- esb ese esi esm esr ess est etb ete eti etm etr ets ett ibb ibe ibi ibm ibr ibs ibt ie- iee iei iem ier ies iet iib iie iii iim iir iis iit im- imb ime imi imm ims imt ir- irb ire iri irm irr irs irt is- isb ise isi ism isr iss ist itb ite iti itm its itt m-r mbb mbe mbi mbm mbr mbs mbt meb mee mei mem mer mes met mi- mib mie mii mim mir mis mit mmb mme mmi mmm mmr mms mmt mrb mre mri mrm mrr mrs mrt msb mse msi msm msr mss mst mtb mte mti mtm mtr mts mtt rbb rbe rbi rbm rbr rbs rbt re- reb ree rei rem rer res ret rib rie rii rim rir ris rit rmb rme rmi rmm rmr rms rmt rrb rri rrm rrr rrs rrt rsb rse rsi rsm rsr rss rst rtb rte rti rtm rtr rts rtt sbb sbe sbi sbm sbr sbs sbt se- seb see sei sem ser ses set sib sie sii sim sir sis sit smb sme smi smm smr sms smt sr- srb sre sri srm srr srs srt ss- ssb sse ssi ssm ssr sss sst stb ste sti stm str sts stt tbb tbe tbi tbm tbr tbs tbt te- teb tee tei tem ter tes tet tib tie tii tim tir tis tit tmb tme tmi tmm tmr tms tmt trb tre tri trm trr trs trt tsb tse tsi tsm tsr tss tst ttb tte tti ttm ttr tts ttt

-ism bbbb bbbs bbeb bbet bebb bebe bebi beeb beem beer bees beet beim beir beis beit beme bere beri berm berr bers bert bes- bese besm bess best bete beti bets bett bibb bibe bibi bibs bieb bier bies biet biis bims birb bire biri birr birs birt bis- bise biss bist bite bits bitt bmir bmmi bmts breb bree brei brem brer bres bret brie brim bris brit brrm brrr brrs brsb brsr brst bseb bsee bser bses bset bsim bsms bsmt bsrm bsse bssm bsts btie btrt btss bttb ebbr ebbs eber ebes ebis ebit eeee eees eems eers eese eesi eete eets eiei eier eies eime eimi eims eire eirs eise eiss eist eitb eiti eitm eitr embe embi embr embs emer emes emet emii emim emir emis emit emme emmi emms emre emrs emse emst emte emts erbb erbe ereb erei erem erer eres eret erie erim eris erit erme erms erre errs erse ersi erst erts esbs esee esem eser eses eset esie esis esit esme esmr esmt esri esse essi esst este estr ests etbr etee etem eter etes etim etre etrm etsi ette etti i-be ibbm ibes ibet ibie ibim ibis ibms ibri ibss ibtb ibts ieet ieie ieme iems iere ieri iers iesi iesr iest ietm iett iies iiie iiii iiis iiit iirs iisi iism iisr iist iitm iitr iitt imbe imbi imer imes imet imir imit imme immi imms immt imre imri imrr imsi imsr imss imst imts irbe irbm iree irem irer ires iri- irie iris irms irre irri irrs irse irte irti irts isbe isbt iseb isee iser ises iset isie isim isis isit isme ismi isms isri isse issi issr isss iste isti istr ists itbe itbs item iter ites itet itie itim itis itme itms itri itrs itse itsi mbbs mbes mbim mbis mbms mbrs mebe meem meer mees meet meir meis meit meme memr mems mer- merb mere meri merm mers mert mes- mese mesi mesr mess mest met- mete meti mets mett mibs miee miem mier mies miet miii miis miit mim- mime mimi mims mire miri mirr mirs mirt mis- mise misi misr miss mist mit- mitb mite miti mitm mits mitt mmes mmii mmis mmmm mmms mmse mmst mmts mrbb mrbm mrbs mreb mree mres mris mrse mrsi mrtm mrts mrtt msee msem msmb msmm msms msrb msrt mssi mssm mssr msst mstr msts mtbs mtre mtrr mtss mtst mttr mtts rbbb rbbr rbbs rbis rbms rbss rbst rebb rebe rebs reeb reem rees reet reii reim reir reis reit reme remi rems rere reri rers rert rese resi ress rest rete reti retr rets rett rib- ribe ribs riem rier ries riet riis rime rimi rimm rims rire riri rirs rise risi rism riss rist rite riti rits ritt rmbs rmst rrrr rsbi rsee rsis rsme rsre rsts rtee rtei rtes rtmi rtms rtss rtts s-ib s-ii sbbs sber sbse sbsi sbst se-e se-i se-s se-t sebe sebi sebs sebt seeb seem seer sees seet seie seii seim seir seis seit seme semi sems serb sere seri serm serr sers sert sese sesi sess sest set- sete seti sets sett sibe sibi sibs sier sies siim siit sime simi simm sims simt sire siri sirr sirs sirt sise sisi siss sist sit- site siti sits sitt smbe smeb smee smei smet smie smis smit smrt smss smte smti sreb srem sres srib srim sris srtr ssbr ssee ssem sses sset ssis ssit ssri ssrm ssrs sssb sssi sssm ssss sstb ssts stbs stee stem ster stes stet stib stie stim stir stis stit stms stmt stre stri strs stsi stsm stss sttr tbbs tbit tbrb tbst teem teer tees teet teie teim teir teis teme tems ter- tere teri term terr ters tese tess test tete teti tetr tets tett tibi tibs tie- tiee tiei tier ties