-er -ol eee eel eeo eer eet eex ele ell elo elr elt elx eo- eoe eol eoo eor eot ere erl ero err ert ete etl eto etr ett etx ex- exe exl exo exr ext exx lee lel leo ler let lex lle lll llo llr llt loe lol loo lor lot lox lro lrr lrt lte ltl lto ltr ltt ltx lxo lxr lxx oee oel oeo oer oet oex ole oll olo olt oo- ool ooo oor oot oox or- ore orl oro orr ort orx ot- ote otl oto otr ott ox- oxo oxt oxx re- ree rel reo rer ret rex rle rll rlo rlr rlt roe rol roo ror rot rox rrl rrr rrt rte rtl rto rtr rtt rtx rxr t-x te- tee tel teo ter tet tex tle tll tlo tlr tlt tlx to- toe tol too tor tot tox tre trl tro trr trt trx tte ttl tto ttr ttt ttx txe txl txt xee xel xer xet xex xlr xlt xoo xor xot xox xrt xrx xtr xtx xxl xxo xxx

eeee eele eero eete eext elee eleo eler elet elex elle ello elro elte elto eole eolo eore eorl eoto er-x erel erer eret erle erll eroe erol eroo erre erro ertl etee etel eter etoe etox etre etro ette etto exel exer exo- exor exrx exte extl extr leel leer leet lele lell lelo leor leox lere lero lert lete leto lett lext lexx llet llll lloo lole loll lolo looe lool loor loot lore loro lote lotl loto lotr lott lox- loxo lrrr ltee lttr lxxx o-eo oele oere ole- oleo oler olet olle ollo olor olot ooer oolo oooo oore oort ore- orel oreo orer orex orle orlo oro- oroe oror orot orro orte orto otee oter oto- otoe otoo otor otre otro otte otto oxer oxo- oxox oxxo reel reet rele rell relo relt reol reot rere rero rert rete reto retr rett rexx rlee roel roer roet role roll rolo rolt rool roor root roox rore roro rort rote rotl roto rotr rott roxo rrle rrrr rtee rtex rtle rtlt teel teer teet tel- tele tell telo telt teor ter- tere tero terr tete teto tetr tett tetx text tltx toee toer toet tol- tole toll tolo tolt tool toor toot tore toro torr tort torx tote toto totr tott tox- toxo toxt tre- tree treo tret trex troe troo trot trox trte trtr tteo tter ttoe tttt txtr xeer xer- xero xert xexe xlet xlox xolo xoro xote xoxo xtol xtro xxxo xxxx

-tree eeeee eeler eleet elele eleo- eleot ellel eller ellet elloe eloee elole eloor elore eloro elote eltro eorre erere eroor erore eroto errol error erte ertel erter etete etext etoll etool etoro etree ettel etter ettle exert exlex exloo exore exort extel exter extol extre extro leell leere leert lelex lelle lerer lerot letot letre lette letto lexer lexoo lexxe lo-ex loler lollo lolol looer loore loote lorel loreo lorer loret lorre lotor lotte lotto loxo- oelet oerel oerle oleo- olere olleo oller oltet oltre oo-er ooooo orell oreo- orere orero orexo orlet oroer orret orter ortet ortoo otell otelo otere otero otole otolo ototo otter oxole oxter reere relee relet relex rello relot relte reorx rere- reree reret retee retel reter retex retox retro rette retto rexel rexer ro-ro roell roero roleo rolex rolle rollo rooer roole roore roote rorer rotel roter rotle roto- rotol rotor rotot rotox rotte rotto roxle rtext t-rex teele teell tele- teleo teler telex tell- telle tello telo- teolo teotl teret terex teror terre terro tert- tetel teter tetex tetle tetr- tetro tette texel texor texte tlell tlett toerr toeto toler tolet tolex tolle tollo toloo tolor tolox toole toolt toore torel toreo toret torre torro torte torto torxe totel toter totex totle toto- totoe totoo totte toxo- toxol treer treet trele trere trete trett troee troll trott ttttt xero- xerox xerte xetex xexex xootr xorro xotox xoxox xtext xtort xtree

e-text e-toll e-tool el-tor eleele eletot ellett ellore elotro eltoro eltrot eototo eroto- errett erroll etoeot ettore exetel exeter exorte exotel exteel extoll extort extro- leelee leeloo leerer leetle leetor leolo leroro lerret letter letto- lettre lexell llello lloro lo-tel loller loltre looloo looter loreto lorrer lortet lotter lottre oerter oleelo oleole olerex olette oolert oooooo orelle orrell ortler otello otoole ottoor oxeote r-tree re-let reeler reelto reller rereel reroll reroot reteer reteet retell reteoo retere retool retore retort retree retret retro- retrot rettel retter ro-tel rolleo roller rollot rooter rootle rootte rorter rotolo rottel rotter rottle roxlee t-tree teetee teeter tele-x telele teleo- telete tellee teller tellor tellto terete terrel terreo terrer terret terrex terror terrot terter tertre tetele tetete tetrol tetter texter textor toetoe tolere tolerx toller tollet tolter tooele tooler tooter tootle tootoo torero tororo torret torrox tortel tortle tortor totell totoro totrot totter tottle treete trelex trello tretee trette trolle trollt trolox trotro trotte x-tree xeelee xerert xeroll xolotl xooter xoxoxo

eeeroer eelroll elloree et-tell exolete exterro lettere letterl lettero lettret lletter llolleo lolotoe looroll lootere lorette loretto lorrell oltroto ortelle otterlo ottetto ottrott reexert reteere reterre retrete rettert rettore rolette roletto rootlet rootrot rotelle rotello roxette teletex teltele terelle terere tereto- teroele terreer terrell terrere tettete textlet toe-toe tol-lol toller- tollett too-too toolter tootler torello torrert tortell tortlet toteler tototoo treelet treelot treetee trettle trettre trexler tro-tro troller trotlet trottee trotter trottle troxler xeroxer xxxxxxx

exeltree extoller extorter extortor letteree letterer letteret lorrelle lot-tree lotterel oleooreo oolooloo orrellet reletter reroller reteller retooler retorter teetoter teletext teletrol toetotoe tollette toolo toottoot torotoro totterer treeroot trolloll trottole xoxoxoxo

exerttrex lero-lero letterlet lote-tree retrotort rotrooter tortoreto trolltoll xeroxlore

errollorre orrellette reeltoreel rotorooter toe-to-toe

roto-rooter text-letter

reel-to-reel teetertotter xxxxxxxxxxxx

lootrotortool teeter-totter tetter-totter