-er eee eef eeo eer ees eet ef- efe eff efo efr efs eft eo- eoe eof eoo eor eos eot ere erf ero err ers ert es- ese esf eso esr ess est ete etf eto etr ets ett fee fef feo fer fes fet ffe fff ffo ffr ffs fft foe fof foo for fos fot fre frf fro frr frs frt fse fsf fso fsr fss fst fte ftf fto ftr fts ftt oee oef oeo oer oes oet of- ofe off ofo ofr ofs oft oo- oof ooo oor oos oot or- ore orf oro orr ors ort os- ose osf oso osr oss ost ot- ote otf oto otr ots ott re- ree ref reo rer res ret rfe rff rfo rfr rfs rft roe rof roo ror ros rot rrf rrr rrs rrt rse rsf rso rsr rss rst rte rtf rto rtr rts rtt se- see sef seo ser ses set sfe sff sfo sfr sfs sft soe sof soo sor sos sot sr- sre srf sro srr srs srt ss- sse ssf sso ssr sss sst ste stf sto str sts stt te- tee tef teo ter tes tet tfe tff tfo tfr tfs tft to- toe tof too tor tos tot tre trf tro trr trs trt tse tsf tso tsr tss tst tte ttf tto ttr tts ttt

-ose eeee eees eefe eero eers eese eete eets efeo efes efet effs efor eft- efts eoes eore eost eoto eots erer eres eret erfs erft eroe eroo eros erre erro errs erse erso erst erts esee eseo eser eses eset esfs eso- esos esse esso esst este esto estr ests etee eter etes etfe etoe etos etre etro ette etto feer fees feet fefe feff fefo feof fere fero ferr fers fert fese fess fest fete fetr fets fett ffee ffff ffrr ffss fftf foer foes fofo foof foos foot for- fore foro forr fors fort foso foss fost fote foto fots fott free freo fres fret froe fros frot frso frst fsfo fssf fter ftos ftrs ftse ftsr o-eo oere oers oese oest ofer off- offe offo offr offs ofor ofre ofst ooer ooes ooff oofs oooo ooos oore oort oose oost oots ore- oreo orer ores orfe orff orfs oro- oroe orof oror oros orot orro orrs orse orso orte orto orts osee oser oses oset osoo osor osos osro osse osso oste ostr osts otee oter otes oto- otoe otof otoo otor otos otre otro otrs otse otso otte otto otts reef rees reet refe reff refr refs reft reof reos reot rere rero rers rert rese reso ress rest rete reto retr rets rett rfef roer roes roet rofe roff rofo roof roor roos root rore roro rort rose roso ross rost rote roto rotr rots rott rrrr rsee rsos rsre rsts rtee rtes rtss rtts s-os se-e se-f se-o se-s se-t seef seer sees seet seff seft sere serf sero serr sers sert sese seso sess sest set- sete setf seto sets sett sfer sfor sfos sfro sfss sfts soeo soes sofo soft soof soor soos soot sore soro sorr sors sort sose soso soss sost sote soto sots sreo sres sros srtr ssee sses sset ssot ssrs sssf ssss ssts stee stef steo ster stes stet stoe stof stoo stor stos stot stre stro strs stsf stss sttr teef teer tees teet teff teft teor teos ter- tere terf tero terr ters tese teso tess test tete teto tetr tets tett tfot tfrs tfss toee toer toes toet toff tofo toft toof toor toos toot tore torf toro torr tors tort tose toso toss tost tote toto totr tots tott tre- tree tref treo tres tret trfr troe troo tros trot trst trte trtr tses tset tsos tsse tssf tssr tsst tsts tteo tter ttff ttoe ttss tttt

-tree eeeee eeros eesof ef-ts efere efetf effer effet effts efore efter eofor eorre eoste erere erest erets eroes eroor eroos erore erose eross eroto erres error erses erste ersts erte erter ertes esere esoft esref esser esses essor essse estee ester estes estet estos estre estro etest etete etoro etree etres etter ettes feeor feere feers feese feets fefor feoff feres feret ferr- ferre ferro ferse ferte feser fesse fesso fest- feste festo fests feter fetes feto- fetor fette fofos foore foose foote foots fore- foreo fores foret foros forro forse forso forss forst forte forto forts fosse fotos fotte freer frees freet frere frese fress frest frets frett froes froot frore frose frost frote frots ftest ftrtt o-fer oeses oeste offer offof offre offto ofoto ofsee ofset ofter oo-er ooooo ooser ooste oreo- oreos orere orero orest orfeo orfes orfoe orfor oroer orose oroso orost orret orser orses orter ortes ortet ortoo osete ososo osse- osseo osser osset ossos oste- osteo oster ostre ostro otere otero otoes otose otoso ototo otros otste otter ottos reefe reefs reeft reere reese reest refer refet reffe reffo refts reose rere- reree reres reret resee reses reset resor resse reste resto restr rests retee reter retes retro rette retto retts ro-ro roero roers roest roffe rofor rooer roofe roofs rooft roore roose roost roote roots rorer rorts rosee roseo roser roses roset rosse rosso rosss roste rosto rosts roter rotes roto- rotor rotos rotot rotse rotte rotto rsssf s-o-r seeor seere seers seese seeso seest seete seeto sefer sefes seffe sefor sefro sefte seofe seref serer seres seret serfe serff serfs sero- serre serro serse serss sert- serte serto serts seser seses sesse seste sesto setee seter setof setor setos setse setsf sette setto setts so-so soers soest sofer soffe sofre softs soore soort soote soots soree sorer sores soret soroe soror soros sorre sorso sorte sorts soses soss- sosto soter sotes sotoo sotos sotto sotts sroof sroot sssss steer stees steet steff stere stero sterr sters stert stete stets stoer stoff stoor stoos stoot store storo storr stors stort stose stoss stote stots stott stree stret stroe strof