-er eee eeg eek eer ees eet ege egg egr egs egt egu eke ekg ekr eks ekt eku ere erg erk err ers ert eru es- ese esg esk esr ess est esu ete etg etk etr ets ett etu eu- eue eug eur eus eut ge- gee geg gek ger ges get geu ggg ggr ggs ggt ggu gks gkt gre grg grk grr grs grt gru gse gsg gsk gsr gss gst gsu gte gtg gtk gtr gts gtt gtu gu- gue gug guk gur gus gut guu k-t ke- kee keg kek ker kes ket kgs kgu kke kkk kkr kks kkt kku krg krk krr krs krt kru kse ksg ksk ksr kss kst ksu kte ktg ktk ktr kts ktt ktu kue kug kuk kur kus kut kuu re- ree reg rek rer res ret reu rge rgg rgk rgr rgs rgt rke rkg rkk rks rkt rku rrg rrk rrr rrs rrt rru rse rsg rsk rsr rss rst rsu rte rtg rtk rtr rts rtt rtu rue rug ruk rur rus rut ruu se- see seg sek ser ses set seu sge sgg sgk sgr sgs sgt sgu sk- ske skg skk skr sks skt sku sr- sre srg srk srr srs srt ss- sse ssg ssk ssr sss sst ssu ste stg stk str sts stt stu sue sug suk sur sus sut suu te- tee teg tek ter tes tet teu tge tgg tgk tgr tgs tgt tgu tke tkg tkk tkr tks tkt tre trg trk trr trs trt tru tse tsg tsk tsr tss tst tsu tte ttg ttk ttr tts ttt ttu tue tug tuk tur tus tut tuu uee ueg uer ues uet uge ugg ugk ugr ugs ugt ugu uke ukk ukr uku ur- ure urg urk urr urs urt uru use usg usk usr uss ust usu ute utk utr uts utt utu uue uug uur uus uut uuu

eeee eees eegs eeke eeks eerg eers eese eesk eete eets eetu egee eger egge eggs egks egre egss egte egtk egts ekek eker ekes eket ekgs ekur erer eres eret erg- ergg ergs erke erks erre errs erse erst erts ertu erur erus esee esek eser eses eset eske esks esku esse essg esst essu este estr ests esus etee eter etes etre etsu ette ettu euer euge eur- eure eurt euse geek geer gees geet gege gegg gere gers gert geru gesg gesk gess gest gesu gete getg getk gets gett geue gggg ggss gree greg gres gret greu grrr grrs grss grue grug grur grus grut gsse gstr gsur guer gues guge gugg gugu gure gurg gurk gurr gurs gurt guru guse guss gust gute guts gutt gutu guus keek keer kees keet kege kegg kegk kegr kegs keke keks keku ker- kere kerk kerr kers kert keru kesk kesr kess kest ket- kete ketk ketr kets kett ketu keug keur keus kget kggg kggr kgks kgre kgrg kgrk kgrr kgrs kgrt kgsr kgst kgtk kgts kgus kkeg kkgr kkkk kkre kkrk kkrr kkrs kkrt kkse kksr kkss kkst kksu kktk kkts kktu kkus kkut kkuu kree krek kres kret kreu krgs krgt krke krkk krkr krks krku krre krrg krrk krrr krrs krrt krse krsk krsr krss krst krsu krtk krtr krts krue krug kruk krur ksee kseg ksek kser kset ksgg ksgr ksgt ksgu kske kskg kskk kskr ksks ksku ksrg ksrr ksrs ksrt ksse kssr ksss ksst kssu kste kstk kstr ksts kstt kstu ksue ksug ksut ksuu ktee kteg ktek ktge ktgg ktgr ktgs ktke ktkk ktkr ktks ktkt ktku ktre ktrg ktrk ktrr ktrs ktrt ktru ktsr ktst ktsu kttg kttk kttr ktts kttt kttu ktug kuek kues kueu kuge kugr kugs kuke kukk kuks kuku kure kurk kurr kurs kurt kuru kusg kust kusu kute kutr kuts kutt kutu kuuk kuur kuuu reek rees reet rege regr regs regt regu reke reks rekt rere rerg rers rert reru rese ress rest rete retr rets rett reue reuk reus reut reuu rgtr rgts rkss rkts rrrr rsee rsre rsts rstu rtee rtes rtgs rtkg rtss rtts ruer rues ruet ruge rugg rugs ruke rukk ruku rure rurs ruru ruse rusk russ rust rusu rute ruts rutt rutu se-e se-g se-k se-s se-t se-u seeg seek seer sees seet seeu sege segg segs segu seke sekk sekt seku sere serg serk serr sers sert seru sese sess sest set- sete sets sett seur sger sges sggg sggs sgss sgts skee skeg sker skes sket skrt skss skue skur skut sres srtr ssee sses sset ssgs ssgt ssrg ssrs ssss ssts stee steg stek ster stes stet stge stgr stks stre strk strs stru stss sttr stue stug stuk stur stus stut suee suer sues suet sueu sug- suge sugg suke suks suku sur- sure surg surr surs surt suru sus- suse susk suss sust susu sute sutu suus teek teer tees teet tegg tegs tegt tegu teke ter- tere terk terr ters teru tese tess test tete tetr tets tett tetu teuk teut tgts tkkg tkts tre- tree treg trek tres tret treu trge trst trte trtr true trug truk trus trut truu tses tset tsgt tsks tsse tssg tssr tsst tsts tter ttkg ttss tttt tuer tues tuet tugg tugs tugu tuke tuks ture turg turk turr turs turt turu tusk tuss tust tute tuts tutt tutu uers uess uggs uggt ugur uguu ukek ukes ukeu uksg ukur ure- ures uret urge urgu urke urre urse urss ursu urte urts uruk urur urus urut us-k usee user uses uset uske usse ussr usss usst ussu uste usts usus uter utes uttu utug uuuu

-tree eeeee egers egest egeus egger egrek egres egret ekers ekker ekuku ekuru erege erere eresk erest erets erres errtu erses erste ersts erte erter ertes ertug eruke eruts esere esker eskug esser esses essse essue estee ester estes estet estre estur estus esure eteke etest etete etree etrek etres etter ettes eturu euges