-er -up eee eeg eep eer ees eet ege egg egp egr egs egt egu ep- epe epg epp epr eps ept epu ere erg erp err ers ert eru es- ese esg esp esr ess est esu ete etg etp etr ets ett etu eu- eue eug eup eur eus eut g-p ge- gee geg gep ger ges get geu ggg ggp ggr ggs ggt ggu gpe gpg gpp gpr gps gpt gpu gre grg grp grr grs grt gru gse gsg gsp gsr gss gst gsu gte gtg gtp gtr gts gtt gtu gu- gue gug gup gur gus gut guu p-p pee peg pep per pes pet peu pge pgg pgp pgr pgs pgt ppe ppg ppp ppr pps ppt ppu pre prg prp prr prs prt pru ps- pse psg psp psr pss pst psu pt- pte ptg ptp ptr pts ptt ptu pue pug pup pur pus put puu re- ree reg rep rer res ret reu rge rgg rgp rgr rgs rgt rpe rpg rpp rpr rps rpt rpu rrg rrp rrr rrs rrt rru rse rsg rsp rsr rss rst rsu rte rtg rtp rtr rts rtt rtu rue rug rup rur rus rut ruu se- see seg sep ser ses set seu sge sgg sgp sgr sgs sgt sgu spe spg spp spr sps spt spu sr- sre srg srp srr srs srt ss- sse ssg ssp ssr sss sst ssu ste stg stp str sts stt stu sue sug sup sur sus sut suu te- tee teg tep ter tes tet teu tge tgg tgp tgr tgs tgt tgu tpe tpg tpp tpr tps tpt tpu tre trg trp trr trs trt tru tse tsg tsp tsr tss tst tsu tte ttg ttp ttr tts ttt ttu tue tug tup tur tus tut tuu uee ueg uep uer ues uet uge ugg ugp ugr ugs ugt ugu up- upe upg upp upr ups upt upu ur- ure urg urp urr urs urt uru use usg usp usr uss ust usu ute utp utr uts utt utu uue uug uur uus uut uuu

eeee eees eegs eeps eerg eers eese eete eets eetu egee eger egge eggp eggs egpe egre egss egte egts epee eper epes eppp epps eprp eprs epsp epss epte epus erer eres eret erg- ergg ergs erpe erps erre errs erse erst erts ertu erur erus esee eser eses eset espe espp esps esse essg essp esst essu este estp estr ests esus etee eter etes etre etsu ette ettu euer euge eur- eure eurt euse geep geer gees geet gege gegg gepe gere gers gert geru gesg gess gest gesu gete getg gets gett geue geup gggg ggss gper gpgp gprp gprs gpsg gpss gree greg grep gres gret greu grps grrr grrs grss grue grug grur grus grut gspt gsse gstr gsur guep guer gues guge gugg gugu gups gure gurg gurr gurs gurt guru guse guss gust gute guts gutt gutu guus peep peer pees peet pegg pegs pegu pepe peps per- pere perg perp perr pers pert peru pese pess pest pesu pete petr pets pett peur peut pger pgpu pgss pgup pper pppp ppps ppru ppss ppts pptt ppur pre- pree preg prep pres pret preu prgs prps prrs prse prss prtp prtr prue prus prut pruu pseg psgr pspp pspr psps psrp psse psst psts pstu pter ptgs pu-e puer puet pueu pugs pugu pupe pups pupu pur- pure purg purp purr purs puru puss pust put- pute puts putt putu reep rees reet rege regr regs regt regu repe repp repr reps rept repu rere rerg rers rert reru rese resp ress rest rete retr rets rett reue reup reus reut reuu rgtr rgts rpet rpgs rpps rpts rrrr rrsp rsee rsps rsre rstp rsts rstu rtee rtes rtgs rtps rtss rttp rtts ruer rues ruet ruge rugg rugs rupe rupp rupt rure rurp rurs ruru ruse russ rust rusu rute ruts rutt rutu se-e se-g se-s se-t se-u seeg seep seer sees seet seeu sege segg segs segu sepe sepg sepp sepr seps sept sepu sere serg serp serr sers sert seru sese sess sest set- sete sets sett seur sger sges sggg sggs sgps sgss sgts spee speg sper spes spet spgt spps sprs spse spsp spss spst sptr spts spue spug spur spus sput sres srps srpt srsp srtp srtr ssee ssep sses sset ssgs ssgt sspe ssps sspt ssrg ssrs ssss sstp ssts stee steg step ster stes stet stge stgr stpp stps stre strs stru stss sttr stue stug stup stur stus stut suee suer sues suet sueu sug- suge sugg sup- supe supp supr sups supt sur- sure surg surp surr surs surt suru sus- suse susp suss sust susu sute sutu suus teer tees teet tegg tegs tegt tegu tepe tepp tepu ter- tere terp terr ters teru tese tesp tess test tete tetr tets tett tetu teut tgts tpeg tper tppp tppr tprs tpte tptp tptr tput tre- tree treg tres tret treu trge trpe trpg trpp trps trst trte trtr true trug trus trut truu tses tset tsgt tsps tspt tsse tssg tssr tsst tsts tsup tter ttss tttt tuer tues tuet tugg tugs tugu tupe tups tupu ture turg turp turr turs turt turu tuss tust tute tuts tutt tutu u-rp uers uess ugep uggs uggt ugur uguu uppe uppp uppu upse upup ure- ures uret urge urgu urre urse urss ursu urte urts urup urur urus urut usee user uses uset usgp uspp usps usse ussr usss usst ussu uste ustp usts usus utep uter utes uttu utug uuuu

-tree eeeee eepee egers egest egeus egger egres egret epees epeus eppes epure erege erept erere erest erets erres errtu erses erste ersts erte erter ertes ertug erupt eruts esere esp-r esper espre esser esses essse essue estee estep ester estes estet estre estur estus esure etest etete etree etres etter ettes eturu euges eurre eurus euser geeps geere geers geert