-er ddd dde ddm ddr dds ddt ddu de- ded dee dem der des det deu dmd dme dmm dmr dms dmt dmu drd dre drm drr drs drt dru dsd dse dsm dsr dss dst dsu dtd dte dtm dtr dts dtt dtu dud due dum dur dus dut ed- edd ede edm edr eds edt edu eed eee eem eer ees eet em- emd eme emm emr ems emt emu erd ere erm err ers ert eru es- esd ese esm esr ess est esu etd ete etm etr ets ett etu eu- eud eue eur eus eut m-r mdd mde mdm mdr mds mdt mdu med mee mem mer mes met meu mmd mme mmm mmr mms mmt mmu mrd mre mrm mrr mrs mrt mru msd mse msm msr mss mst msu mtd mte mtm mtr mts mtt mtu mud mue mum mur mus mut muu rdd rde rdm rdr rds rdt rdu re- red ree rem rer res ret reu rmd rme rmm rmr rms rmt rrd rrm rrr rrs rrt rru rsd rse rsm rsr rss rst rsu rtd rte rtm rtr rts rtt rtu rud rue rum rur rus rut ruu sdd sde sdm sdr sds sdt sdu se- sed see sem ser ses set seu smd sme smm smr sms smt smu sr- srd sre srm srr srs srt ss- ssd sse ssm ssr sss sst ssu std ste stm str sts stt stu sud sue sum sur sus sut suu tdd tde tdm tdr tds tdt tdu te- ted tee tem ter tes tet teu tmd tme tmm tmr tms tmt tmu trd tre trm trr trs trt tru tsd tse tsm tsr tss tst tsu ttd tte ttm ttr tts ttt ttu tud tue tum tur tus tut tuu udd ude udm udr uds udt udu ued uee uem uer ues uet um- umd ume umm umr ums umt umu ur- urd ure urm urr urs urt uru usd use usm usr uss ust usu utd ute utm utr uts utt utu uue uum uur uus uut uuu

dddd ddes ddre ddss ddts dedd dede dedu deed deem deer dees deet dem- demd deme dems demu der- dere derm derr ders des- dese dess dest desu dete detr dets deue deum deur deus deut dmds dmdt dmss dmst dmts dmus dred dree drem dres dret drms drrs drue drum drus drut druu dsdm dsdr dsms dsrr dsst dsts dted dtss dudd dude duds dudu duer dues duet dume dumm dums dure durt duru duse dust dute duts duur duut edde eddm edds ede- edem eder edes edme edms edrm edru edss edts edur eede eedu eeee eees eems eers eese eete eets eetu emds emdt emer emes emet emeu emme emms emmu emre emrs emse emst emte emts emus erde erds ered erem erer eres eret erme erms erre errs erse erst erts ertu erum erur erus esds esdu esee esem eser eses eset esme esmr esmt esrd esse esst essu estd este estr ests esus etds etee etem eter etes etre etrm etsu ette ettu eude eudm euer eums eur- eure eurt euse mddm mdds mdme mdsd mdse mdst mdud medd mede meds medu meed meem meer mees meet meme memr mems memu mer- merd mere merm mers mert meru mes- mese mesr mess mest met- mete mets mett metu meum meus mmds mmes mmmd mmmm mmms mmsd mmse mmst mmsu mmts mmus mrdd mrds mred mree mres mrmd mrsd mrse mrtm mrts mrtt mrud msde msed msee msem msmm msms msmu msrt mssm mssr msst mstr msts msud msus mtre mtrr mtss mtst mttr mtts mudd mude muds mudu mued muee mues muet mume mumm mums mumu murd mure murr murs murt muru musd muse muss must musu mute muts mutt mutu muut rder rdms redd rede redr reds redu reed reem rees reet reme rems rerd rere rers rert reru rese ress rest retd rete retr rets rett reue reus reut reuu rmst rmtu rred rrrr rrum rsdd rsds rsee rsme rsre rsts rstu rsum rtdt rtee rtes rtms rtss rtts rudd rude ruds rued ruer rues ruet rume rumm rums rumt rurd rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruud sdds sder sdes sdet sdms sdrs sdsm sdss sdsu sdtm se-d se-e se-s se-t se-u sede seds seed seem seer sees seet seeu seme sems semu serd sere serm serr sers sert seru sese sess sest set- sete sets sett seur smdr smed smee smet smrt smsd smss smtd smte smtu smur smus smut srde srem sres srsd srtr ssdd ssdm ssee ssem sses sset ssrm ssrs sssm ssss sstd ssts stdm stds sted stee stem ster stes stet stms stmt strd stre strs stru stsm stss sttd sttr stud stue stum stur stus stut sudd sude suds sued suee suer sues suet sueu sum- sumd sume sums sumu sur- surd sure surr surs surt suru sus- susd suse suss sust susu sute sutu suum suus tdes tdse tdss tedd tede tedm teds teed teem teer tees teet teme tems temu ter- tere term terr ters teru tesd tese tess test tete tetr tets tett tetu teut tmed tmtt tre- tred tree trem tres tret treu trmd trms trmu trsd trst trte trtr trud true trus trut truu tses tset tsse tssm tssr tsst tstm tsts tsum tter ttms ttss tttt tude tudu tuer tues tuet tume tums tumu turd ture turm turr turs turt turu tusd tusm tuss tust tute tuts tutt tutu tuum udds udem uder udet udsd udts uers uess umde umer umes umet umms umsu umts umus umut urde urds urdu ure- ured ures uret urre urse urss ursu urte urts urum urur urus urut usde usdm usds usdt used usee user uses uset usmd usme usmm usms usse ussr usss usst ussu uste ustm usts usus uter utes uttu uuuu

-tree d-mer ddddd ddrmm ddrum dedde dedee deder dedes dedur dedut deede deeds deeme deems deere deers