-er eee eem eeo eer ees eet eex em- eme emm emo emr ems emt emx eo- eoe eom eoo eor eos eot ere erm ero err ers ert es- ese esm eso esr ess est esx ete etm eto etr ets ett etx ex- exe exo exr exs ext exx m-o m-r mee mem meo mer mes met mex mme mmm mmo mmr mms mmt mmx moe mom moo mor mos mot mox mre mrm mro mrr mrs mrt mrx mse msm mso msr mss mst msx mte mtm mto mtr mts mtt mtx mxr mxs oee oem oeo oer oes oet oex om- ome omm omo omr oms omt omx oo- oom ooo oor oos oot oox or- ore orm oro orr ors ort orx os- ose osm oso osr oss ost osx ot- ote otm oto otr ots ott ox- oxo oxt oxx re- ree rem reo rer res ret rex rme rmm rmo rmr rms rmt rmx roe rom roo ror ros rot rox rrm rrr rrs rrt rse rsm rso rsr rss rst rsx rte rtm rto rtr rts rtt rtx rxr rxs se- see sem seo ser ses set sex sme smm smo smr sms smt smx soe som soo sor sos sot sox sr- sre srm sro srr srs srt srx ss- sse ssm sso ssr sss sst ssx ste stm sto str sts stt stx sxm sxs sxt t-x te- tee tem teo ter tes tet tex tme tmm tmo tmr tms tmt tmx to- toe tom too tor tos tot tox tre trm tro trr trs trt trx tse tsm tso tsr tss tst tsx tte ttm tto ttr tts ttt ttx txe txs txt xee xem xer xes xet xex xmm xmo xmr xms xmt xmx xom xoo xor xos xot xox xrt xrx xsm xss xst xtm xtr xts xtx xxo xxx

-ose eeee eees eemo eems eero eers eese eete eets eext emer emes emet emex emme emms emor emos emre emrs emse emso emst emte emts eoes eore eost eoto eots er-x erem erer eres eret erme ermo erms eroe eroo eros erre erro errs erse erso erst erts esee esem eseo eser eses eset esme esmo esmr esmt eso- esom esos esox esse esso esst este esto estr ests etee etem eter etes etoe etos etox etre etrm etro ette etto exer exes exmr exo- exor exos exrx exte extr exts meem meer mees meet meme memo memr mems memx meor meos mer- mere merm mero mers mert mes- mese meso mesr mess mest met- mete meto mets mett mexx mmes mmmm mmms mmor mmse mmst mmts mmxx moes moet moex mome momo moms mooe moor moos moot more moro mors mort mose moso moss most mote motm moto mots mott moxe moxo mree mres mrse mrtm mrts mrtt msee msem msex msmm msms msor msrt mssm mssr msst mstr msts mtoe mtom mtor mtre mtrr mtss mtst mttr mtts o-eo oeme oere oerm oers oese oest omee omeo omer omes omet omex omo- omoe omoo omor omox omre omro ooer ooes oome ooms oooo ooos oore oort oose oost oots ore- orem oreo orer ores orex orme ormo oro- oroe orom oror oros orot orro orrs orse orso orte orto orts osee osem oser oses oset osm- osme osmo osoo osor osos osro osse osso oste ostr osts otee otem oter otes oto- otoe otoo otor otos otre otro otrs otse otso otte otto otts oxer oxes oxo- oxos oxox oxxo reem rees reet reme remo rems reos reot rere rero rers rert rese reso ress rest rete reto retr rets rett rexx rmst roer roes roet rome romm romo roms room roor roos root roox rore roro rort rose roso ross rost rote roto rotr rots rott roxo rrrr rsee rsme rsmx rsos rsre rsts rtee rtes rtex rtms rtss rtts rxes s-os se-e se-o se-s se-t se-x seem seer sees seet seex seme sems sere serm sero serr sers sert sese seso sess sest set- sete seto sets sett setx sex- sexe sext smee smet smos smot smox smrt smss smte soem soeo soes some somm somo soom soor soos soot sore sorm soro sorr sors sort sose soso soss sost sote sotm soto sots soxs srem sreo sres sros srtr ssee ssem sses sset ssex ssot ssrm ssrs sssm ssss ssts stee stem steo ster stes stet stex stms stmt stoe stom stoo stor stos stot stox stre stro strs stsm stss sttr t-mo teem teer tees teet teme temo tems teom teor teos ter- tere term tero terr ters tese teso tess test tete teto tetr tets tett tetx text tmos tmro tmtt toee toer toes toet tome tomm tomo toms tomt toom toor toos toot tore torm toro torr tors tort torx tose toso toss tost tosx tote totm toto totr tots tott tox- toxo toxs toxt tre- tree trem treo tres tret trex trms troe trom troo tros trot trox trst trte trtr tses tset tsom tsos tsse tssm tssr tsst tstm tsts tteo tter ttms ttoe ttss tttt txtr xeer xeme xer- xero xers xert xexe xmms xmos xome xoom xoro xors xote xoxo xtro xtsr xxxo xxxx

-tree eeeee eeros emeer emere emert emese emmer emmet emore emote emoto emtee eomer eorre eoste erem- eremo erere erest erets ermes eroes erome eroom eroor eroos erore erose eross eroto erres error erses erste ersts erte erter ertes esere esmes esome esrom esser esses essex essor essse estee ester estes estet estos estre estro etest etete etext etoro etree etres etter ettes exeem exeme exert exmes exmet exmor exoes exome exore exort exter extre extro extts m-set meees meems meere meers meese meest meete meets memer memes memex memor memos merer meres meret merms mero- meroe merom meroo meror meros merox merre merse merss merte mesee mesem meses meso- messe meste mesto meteo meter metes metoo metos metr- metre metro metrx metse metso mette metts mexer mmmmm moeer moeme