-er eee eef eeg eer ees eet ef- efe eff efg efr efs eft ege egf egg egr egs egt egu ere erf erg err ers ert eru es- ese esf esg esr ess est esu ete etf etg etr ets ett etu eu- eue euf eug eur eus eut fee fef feg fer fes fet feu ffe fff ffg ffr ffs fft ffu fge fgf fgg fgr fgs fgt fre frf frg frr frs frt fru fse fsf fsg fsr fss fst fsu fte ftf ftg ftr fts ftt ftu fue fuf fug fur fus fut fuu ge- gee gef geg ger ges get geu gfe gff gfr gfs gft ggg ggr ggs ggt ggu gre grf grg grr grs grt gru gse gsf gsg gsr gss gst gsu gte gtf gtg gtr gts gtt gtu gu- gue guf gug gur gus gut guu re- ree ref reg rer res ret reu rfe rff rfg rfr rfs rft rfu rge rgf rgg rgr rgs rgt rrf rrg rrr rrs rrt rru rse rsf rsg rsr rss rst rsu rte rtf rtg rtr rts rtt rtu rue ruf rug rur rus rut ruu se- see sef seg ser ses set seu sfe sff sfg sfr sfs sft sfu sge sgf sgg sgr sgs sgt sgu sr- sre srf srg srr srs srt ss- sse ssf ssg ssr sss sst ssu ste stf stg str sts stt stu sue suf sug sur sus sut suu te- tee tef teg ter tes tet teu tfe tff tfg tfr tfs tft tfu tge tgf tgg tgr tgs tgt tgu tre trf trg trr trs trt tru tse tsf tsg tsr tss tst tsu tte ttf ttg ttr tts ttt ttu tue tuf tug tur tus tut tuu uee uef ueg uer ues uet ufe uff ufg ufr ufs uft ufu uge ugf ugg ugr ugs ugt ugu ur- ure urf urg urr urs urt uru use usf usg usr uss ust usu ute utf utr uts utt utu uue uug uur uus uut uuu

eeee eees eefe eegs eerg eers eese eete eets eetu ef-g efes efet effs eft- efts eftu egee eger egfr egge eggs egre egss egte egts erer eres eret erfs erft erg- ergg ergs erre errs erse erst erts ertu erur erus esee eser eses eset esfs esse essg esst essu este estr ests esuf esus etee eter etes etfe etre etsu ette ettu euer euge eur- eure eurt euse feer fees feet fefe feff fege fegg fegs fere ferr fers fert feru fese fess fest fete fetr fets fett fetu feus ffee ffff ffrr ffss fftf fgts free fres fret frst frue frug fsgs fssf fter ftrs ftse ftsr fuet fuff fufu fuge fugs fugu fur- fure furg furr furs furt fuse fuss fust fusu fute futs futu geer gees geet gefe gefs geft gege gegg gere gers gert geru gesg gess gest gesu gete getg gets gett geue gfer ggfg gggg ggss gree gref greg gres gret greu grrr grrs grss grue gruf grug grur grus grut gsse gstr gsur guer gues guff guge gugg gugu gure gurg gurr gurs gurt guru guse guss gust gute guts gutt gutu guus reef rees reet refe reff refg refr refs reft refu rege regr regs regt regu rere rerg rers rert reru rese ress rest rete retr rets rett reue reuf reus reut reuu rfef rfgs rgtr rgts rrrr rsee rsre rsts rstu rtee rtes rtgs rtss rtts ruer rues ruet rufe ruff ruft ruge rugg rugs rure rurs ruru ruse russ rust rusu rute ruts rutt rutu se-e se-f se-g se-s se-t se-u seef seeg seer sees seet seeu seff seft sege segg segs segu sere serf serg serr sers sert seru sese sess sest set- sete setf sets sett seur sfer sfss sfsu sfts sgef sger sges sggg sggs sgss sgts sres srtr ssee sses sset ssgs ssgt ssrg ssrs sssf ssss ssts stee stef steg ster stes stet stfu stge stgr stre strs stru stsf stss sttr stue stuf stug stur stus stut suee suer sues suet sueu suf- suff sufr sufs sufu sug- suge sugg sur- sure surf surg surr surs surt suru sus- suse suss sust susu sute sutu suus teef teer tees teet teff teft tegg tegs tegt tegu ter- tere terf terr ters teru tese tess test tete tetr tets tett tetu teut tfrs tfss tgts tre- tree tref treg tres tret treu trfr trge trst trte trtr true trug trus trut truu tses tset tsgt tsse tssf tssg tssr tsst tsts tter ttff ttss tttt tuer tues tuet tufe tuff tuft tufu tugg tugs tugu ture turf turg turr turs turt turu tuss tust tute tuts tutt tutu uers uess ufer uffe uggs uggt ugur uguu ure- ures uret urfe urff urft urge urgu urre urse urss ursu urte urts urur urus urut usee usef user uses uset usfs usse ussf ussr usss usst ussu uste usts usus uter utes uttu utug uutf uuuu

-tree eeeee ef-ts ef-tu efere efetf effer effet effts efter efuru efuse efutu egers egest egeus egger egres egret erege erere erest erets erres errtu erses erste ersts erte erter ertes ertug eruts esere esref esser esses essse essue estee ester estes estet estre estur estus esure etest etete etree etres etter ettes eturu euges eurre eurus euser feere feers feese feets fegue feres feret ferr- ferre ferse ferte ferus feser fesse fest- feste fests festu feter fetes fette fetus feuer feuge feurs feute fgets freer frees freet frege frere frese fress frest frets frett freur frust frute ftest ftrtt fu-fu fuest fuffs fugee fuger fugue fugug fugus furrs furse furst furus fusee fuser fuses fusse fuste fusts fusus futsu futur fuuse geere geers geert geese geest geete gefte gegge geres gerre gers- gerse gerss gerts gertt geruf geser gesse geste gests getee geter gette getts greef greer grees greet grefe greff grege gregg gregs grese gress grest grete grett greut grftr grgur grrrr grues grufe gruff