-er eee eef eeg eeo eer ees eet ef- efe eff efg efo efr efs eft ege egf egg ego egr egs egt eo- eoe eof eog eoo eor eos eot ere erf erg ero err ers ert es- ese esf esg eso esr ess est ete etf etg eto etr ets ett fee fef feg feo fer fes fet ffe fff ffg ffo ffr ffs fft fge fgf fgg fgr fgs fgt foe fof fog foo for fos fot fre frf frg fro frr frs frt fse fsf fsg fso fsr fss fst fte ftf ftg fto ftr fts ftt ge- gee gef geg geo ger ges get gfe gff gfo gfr gfs gft ggg ggo ggr ggs ggt goe gof gog goo gor gos got gre grf grg gro grr grs grt gse gsf gsg gso gsr gss gst gte gtf gtg gto gtr gts gtt oee oef oeg oeo oer oes oet of- ofe off ofg ofo ofr ofs oft oge ogf ogg ogo ogs ogt oo- oof oog ooo oor oos oot or- ore orf org oro orr ors ort os- ose osf osg oso osr oss ost ot- ote otf otg oto otr ots ott re- ree ref reg reo rer res ret rfe rff rfg rfo rfr rfs rft rge rgf rgg rgo rgr rgs rgt roe rof rog roo ror ros rot rrf rrg rrr rrs rrt rse rsf rsg rso rsr rss rst rte rtf rtg rto rtr rts rtt se- see sef seg seo ser ses set sfe sff sfg sfo sfr sfs sft sge sgf sgg sgo sgr sgs sgt soe sof sog soo sor sos sot sr- sre srf srg sro srr srs srt ss- sse ssf ssg sso ssr sss sst ste stf stg sto str sts stt te- tee tef teg teo ter tes tet tfe tff tfg tfo tfr tfs tft tge tgf tgg tgo tgr tgs tgt to- toe tof tog too tor tos tot tre trf trg tro trr trs trt tse tsf tsg tso tsr tss tst tte ttf ttg tto ttr tts ttt

-ose eeee eees eefe eegs eerg eero eers eese eete eets ef-g efeo efes efet effs efor eft- efts egee eger egfr egge eggo eggs ego- egor egos egot egre egss egte egts eoes eore eost eoto eots erer eres eret erfs erft erg- ergg ergo ergs eroe eroo eros erre erro errs erse erso erst erts esee eseo eser eses eset esfs eso- esos esse essg esso esst este esto estr ests etee eter etes etfe etoe etos etre etro ette etto feer fees feet fefe feff fefo fege fegg fegs feof fere fero ferr fers fert fese fess fest fete fetr fets fett ffee ffff ffrr ffss fftf fgts foer foes fofo foge fogg fogo fogs foof foos foot for- fore forg foro forr fors fort foso foss fost fote foto fots fott free freo fres fret froe frog fros frot frso frst fsfo fsgs fssf fter ftos ftrs ftse ftsr geer gees geet gefe gefs geft gege gegg gego geo- geof geog geos gere gero gers gert gesg geso gess gest gete getg geto gets gett gfer gfor ggfg gggg ggss goef goer goes gofe goff gofr gogo gogs goof goog goor goos goot gore gorf gorg goro gorr gors gort gose goso goss gost gote goto gots gott gree gref greg gres gret grof grog groo gror gros grot grrr grrs grss gsos gsse gstr gtfo gtoe gtos o-eo oere oers oese oest ofer off- offe offo offr offs ofgo ofor ofre ofst ogee oger ogfr ogge ogog ogre ogro ooer ooes ooff oofs oooo ooos oore oort oose oost oots ore- oreg oreo orer ores orfe orff orfs orge orgo orgs 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 otog otoo otor otos otre otro otrs otse otsg otso otte otto otts reef rees reet refe reff refg refr refs reft rege rego regr regs regt reof reog reos reot rere rerg rero rers rert rese reso ress rest rete reto retr rets rett rfef rfgs rgtr rgts roeg roer roes roet rofe roff rofo roge rogg rogo roof roog roor roos root rore roro rort rose roso ross rost rote rotg roto rotr rots rott rrrr rsee rsos rsre rsts rtee rtes rtgs rtss rtts s-os se-e se-f se-g se-o se-s se-t seef seeg seer sees seet seff seft sege segg sego segs sere serf serg sero serr sers sert sese seso sess sest set- sete setf seto sets sett sfer sfog sfor sfos sfro sfss sfts sgef sger sges sggg sggs sgro sgss sgts soeo soes sofo soft sogo sogs soof soog soor soos soot sore sorg soro sorr sors sort sose soso soss sost sote soto sots sreo sres sros srtr ssee sses sset ssgs ssgt ssot ssrg ssrs sssf ssss ssts stee stef steg steo ster stes stet stge stgr stoe stof stog stoo stor stos stot stre stro strs stsf stss sttr teef teer tees teet teff teft tegg tego tegs tegt teor teos ter- tere terf tero terr ters tese teso tess test tete teto tetr tets tett tfot tfrs tfss tgts toee toer toes toet toff tofo toft toge togo togr togs togt toof toor toos toot tore torf torg toro torr tors tort tose toso toss tost tote toto totr tots tott tre- tree tref treg treo tres tret trfr trge troe trog troo tros trot trst trte trtr tses tset tsgt tsos tsse tssf tssg tssr tsst tsts tteo tter ttff ttoe ttss tttt

-tree eeeee eeros eesof ef-ts efere efetf effer effet effts efore efter egers egest egger eggos egots egres egret eofor eorre eoste erege erere erest erets ergo- ergos ergot eroes eroge eroor eroos erore erose eross eroto erres error erses erste ersts erte erter ertes esere esgos