-er eee eeg eeo eer eet eex ege egg ego egr egt egx eo- eoe eog eoo eor eot ere erg ero err ert ete etg eto etr ett etx ex- exe exo exr ext exx ge- gee geg geo ger get gex ggg ggo ggr ggt goe gog goo gor got gox gre grg gro grr grt grx gte gtg gto gtr gtt gtx gxt oee oeg oeo oer oet oex oge ogg ogo ogt ogx oo- oog ooo oor oot oox or- ore org oro orr ort orx ot- ote otg oto otr ott ox- oxo oxt oxx re- ree reg reo rer ret rex rge rgg rgo rgr rgt rgx roe rog roo ror rot rox rrg rrr rrt rte rtg rto rtr rtt rtx rxr t-x te- tee teg teo ter tet tex tge tgg tgo tgr tgt to- toe tog too tor tot tox tre trg tro trr trt trx tte ttg tto ttr ttt ttx txe txt xee xeg xer xet xex xge xog xoo xor xot xox xrt xrx xtr xtx xxo xxx

eeee eerg eero eete eext egee eger egge eggo ego- egor egot egre egte eore eoto er-x erer eret erg- ergg ergo eroe eroo erre erro etee eter etoe etox etre etro ette etto exer exge exo- exor exrx exte extr geer geet gege gegg gego geo- geog geox gere gero gert gete getg geto gett gggg goer gogo goog goor goot gore gorg goro gorr gort gote goto gott gree greg gret grex grog groo gror grot grrr gtoe o-eo oere ogee oger ogge ogog ogre ogro ooer oooo oore oort ore- oreg oreo orer orex orge orgo oro- oroe oror orot orro orte orto otee oter oto- otoe otog otoo otor otre otro otte otto oxer oxo- oxox oxxo reet rege rego regr regt reog reot rere rerg rero rert rete reto retr rett rexx rgtr roeg roer roet roge rogg rogo roog roor root roox rore roro rort rote rotg roto rotr rott roxo rrrr rtee rtex teer teet tegg tego tegt teor ter- tere tero terr tete teto tetr tett tetx text toee toer toet toge togo togr togt toor toot tore torg toro torr tort torx tote toto totr tott tox- toxo toxt tre- tree treg treo tret trex trge troe trog troo trot trox trte trtr tteo tter ttoe tttt txtr xeer xer- xero xert xexe xorg xoro xote xoxo xtro xxxo xxxx

-tree eeeee egger egret eorre erege erere ergo- ergot eroge eroor erore eroto error erte erter etete etext etoro etree etrog etter exert exore exort exter extre extro geere geert geete gegge georg gerre gertt getee geter getgo gette getto getxo go-go go-oo go-to goget gogro googe goore goote goree gorer gorge gorgo gorre goter gotoo gotor gotto greer greet grege gregg grego greot grete grett groet groge grogg groot grote grott grrrr gtrot ogogo oo-er ooooo oreo- orere orero orexo oroer orret orrgo orter ortet ortoo otego otere otero ototo otter oxter reege reere reger reget regex regge reggo regtt reorg reorx rere- reree reret retee reter retex retgo retox retrg retro rette retto rexer ro-ro roero roger roget rogge rooer rooge roore roote rorer roter rotge roto- rotor rotot rotox rotte rotto rtext t-rex teege tegre teret terex terge tergo teror terre terro tert- teter tetex tetr- tetro tette texor texte to-go toego toerr toeto toget togge toore toreo toret torgo torog torre torro torte torto torxe toter totex toto- totoe totoo totte toxo- treer treet treg- trego trere trete trett troee trott ttttt xero- xerox xerte xetex xexex xootr xorro xotox xoxox xtext xtort xtree

e-text eggert egrote eototo eroto- errett etgert etoeot ettore exeter exorte extort extro- geegee geegot gegger george gerege gerger gerret gertte get-go getter gogoro googoo goorge gooroo gootee gorger gorget gorgor gorter gotere gotter gottex greete greger gregge gregor gregre greote greter grette gretto grogge groote grotte grotto gteter oeroeg oerter oooooo ortego ottoor oxeote r-tree regort regret reroot reteer reteet reteoo retere retore retort retree retret retro- retrog retrot retter rogerr rogett rogger roogoo rooter rootte rorter rotgee rotter t-tree teetee teeter terete tergo- terreo terrer terret terrex terror terrot terter tertre tetete tetter texter textor toetoe togger togrog toogee tooter tootoo torero torget torgot tororo torret torrox tortor totoro totrot totter treete treget tregor tretee trette troger troget trotro trotte x-tree xerert xooter xoxoxo

eeeroer egregor egrette exegete exterge exterro gee-gee georget gerotor gettext goo-goo goooooo gorgeer gorreto gottogo greetee greeter gregger greggoe gregoor gregree grgeteg grogger grootte ogogoro ottetto ottrott reexert regorge regreet reteere reterre retrete rettert rettore rootrot roxette terere tereto- tergett terreer terrere tettete toe-toe too-too torrert tototoo treetee tregerg trettre tro-tro trottee trotter xeroxer xxxxxxx

egregore ergoteer extorter extortor gerettet gogetter gogogogo gore-tex gorgeere gorgeret gorgeteg gorgoret greegree groogroo retorter roettger teetoter toetotoe toottoot torotoro totterer treeroot xoxoxoxo

egogetter exerttrex georgette go-getter groo-groo regretter retrogore retrotort rotrooter tortoreto

egertorget gotoetotoe rotorooter toe-to-toe togototogo

roto-rooter

teetertotter xxxxxxxxxxxx

teeter-totter tetter-totter

grrrrrrrrrrrrrr