-er -ey eee eeo eer eet eex eey eo- eoe eoo eor eot ere ero err ert ery ete eto etr ett etx ety ex- exe exo exr ext exx exy eye eyo eyr eyt oee oeo oer oet oex oey oo- ooo oor oot oox or- ore oro orr ort orx ory ot- ote oto otr ott ox- oxo oxt oxx oxy oye oyo re- ree reo rer ret rex rey roe roo ror rot rox roy rrr rrt rte rto rtr rtt rtx rty rxr ry- rye ryo ryr ryy t-x te- tee teo ter tet tex tey to- toe too tor tot tox toy tre tro trr trt trx try tte tto ttr ttt ttx tty txe txt tye tyo tyr tyt xee xer xet xex xoo xor xot xox xrt xrx xry xtr xtx xty xxo xxx xxy xyr xyy yee yeo yer yet yex yey yoe yoo yor yot yox yoy yre yro yrt yte yto ytr ytt yxe yxy yye yyt yyy

eeee eero eery eete eext eore eoto er-x erer eret eroe eroo erre erro erye eryx etee eter etoe etox etoy etre etro ette etto etty exer exo- exor exrx exte extr exxy eyer eyet eyey eyot eyre eyry eyte eyyr o-eo oere oeye oeyo ooer oooo oore oort oory ooty ore- oreo orer orex orey oro- oroe oror orot oroy orro orry orte orto oryx otee oter oto- otoe otoo otor otoy otre otro otry otte otto otyr oxer oxo- oxox oxxo oxy- oyee oyer oyre reet reot rere rero rert rery rete reto retr rett rety rexx reye roer roet roey roor root roox rore roro rort rory rote roto rotr rott roty roxo roxy roye royt rrrr rtee rtex ryet ryot rytt ryyt teer teet teor ter- tere tero terr tery tete teto tetr tett tetx text teye teyr to-y toee toer toet toey toor toot tore toro torr tort torx tory tote toto totr tott toty tox- toxo toxt toyo toyt tre- tree treo tret trex trey troe troo trot trox troy trte trtr try- trye tryo tteo tter ttoe ttoy tttt txtr tyee tyer tyet tyr- tyre tyro tyrr tyte tyto tytt tyty tyxt xeer xer- xero xert xexe xoro xote xoxo xoyo xtro xtry xxxo xxxx xxxy xyr- yeer yeet yeot yeox yere yero yerr yert yery yete yeto yett yext yeye yeyo yeyr yoot yore yoro yort yory yote yott yoxe yoye yoyo ytre yyyy

-tree eeeee eorre erere eroor erore eroto errey error erte erter eryxo etete etext etoro etree etter exert exore exort exter extre extro extry eyere eyeto eyrer oeyer oeyre oo-er ooooo oreo- orere orero orexo oreye oroer orret orrey orter ortet ortoo ortyx otere otero ototo otter ottey ottyr otyre oxeye oxter oyoor reere reorx rere- reree reret retee reter retex retox retro retry rette retto rexer reyte ro-ro roero rooer roore roote rooty rorer rorty roter roto- rotor rotot rotox rotte rotto rotye royer royet rtext rytro rytte ryyty t-rex teety teret terex teror terre terro terry tert- teter tetex tetr- tetro tette tetty texor texte teyre toerr toeto toeye toore toreo toret torey torre torro torry torte torto torty torxe toter totex toto- totoe totoo totte totty totyr toxey toxo- toyer toyte treer treet treey trere trete trett trety trexy treye troee trory trott troxy troye trxye tryer tryor tryte tryto ttttt tyere tyree tyrer tyret tyro- tytte tyxte xero- xerox xerte xetex xexex xootr xorro xotox xoxox xtext xtort xtree ye-ye yeere yeoor yeoxe yeroo yeter yette yetto yeyre yo-yo yoore yorro yorte yorty yotto ytore ytter yyete

e-text eeyore eototo eroto- errett etoeot ettore exeter exorte extort extro- eyerer eyetoy oerter oooooo ororry orrery ottery ottoor ottyre ox-eye oxeote r-tree re-try reetry reroot reteer reteet reteoo retere retore retort retree retret retro- retrot retter reyero reyter rooter rootte rorter rotter roxxxy royter t-tree teetee teeter terete terreo terrer terret terrex terror terrot terrye terter tertre tertry tetete tetter tettey texter textor toetoe toeyer tooter tootoo torero tororo torret torrey torrox tortey tortor totoro totrot totter treete tretee trette tretty treyte trotro trotte trotty troyee troyer troyte trytry tyrret x-tree xerert xooter xoxoxo xxyyxx yerere yetter yoxoxe yoxter yoyoyo yttro-

eeeroer exotery exterro eyeroot ottetto ottrott ottroye reexert reteere reterre retrete rettert rettery rettore rettory rootery rootrot roxette teetery terere tereto- terreer terrere tettery tettete toe-toe too-too torrert tototoo tottery treetee trettre treyter tro-tro trottee trotter tyrette xeroxer xxxxxxx yor-yor ytteroy

extorter extortor eyetoeye oreortyx otteroey retorter teetoter terytory tetroxy- toetotoe toottoot torotoro totterer treeroot xoxoxoxo ytteroey

exerttrex retrotort rory-tory rotrooter tortoreto tory-rory

eye-to-eye rooty-toot rootytooty rotorooter terrortory toe-to-toe yoyoyoyoyo

roto-rooter

teetertotter xxxxxxxxxxxx

teeter-totter tetter-totter