-er ddd dde ddo ddr ddt de- ded dee deo der det dod doe doo dor dot drd dre dro drr drt dtd dte dto dtr dtt ed- edd ede edo edr edt eed eee eeo eer eet eo- eod eoe eoo eor eot erd ere ero err ert etd ete eto etr ett odd ode odo odr odt oed oee oeo oer oet oo- ood ooo oor oot or- ord ore oro orr ort ot- otd ote oto otr ott rdd rde rdo rdr rdt re- red ree reo rer ret rod roe roo ror rot rrd rrr rrt rtd rte rto rtr rtt tdd tde tdo tdr tdt te- ted tee teo ter tet to- tod toe too tor tot trd tre tro trr trt ttd tte tto ttr ttt

dddd ddot ddre dedd dede dedo deed deer deet deor der- dere dero derr dete deto detr dod- dodd dode dodo doer dood door doot dord dore doro dorr dort dotd dote doto dott dred dree dret drod drot dted dtor dtot edde eddo ede- eder edod eede eeee eero eete eode eore eotd eoto erde ered erer eret erod eroe eroo erre erro etee eter etoe etre etro ette etto o-eo oddd oded odeo oder odet odoo odor odot oedo oere ooer oooo oord oore oort orde ordo ore- ored oreo orer oro- oroe oror orot orro orte orto oted otee oter oto- otoe otoo otor otre otro otte otto rder redd rede redo redr reed reet reod reot rerd rere rero rert retd rete reto retr rett rodd rode rodo roed roer roet rood roor root rore roro rort rote roto rotr rott rred rrrr rtdt rtee tdor tedd tede teed teer teet teor ter- tere tero terr tete teto tetr tett todd tode todo todt toed toee toer toet tood toor toot tord tore toro torr tort totd tote toto totr tott tre- tred tree treo tret trod troe troo trot trte trtr tteo tter ttoe tttt

-tree d-dot d-rod ddddd dedde dedee deder deede deere deore deoro derde dered dero- derre derro deter detoo detre dette do-do dodoo dodro doerr doodo doore doote dordt dored doree doret dorot dorre dorte doted doter dotoo dotto drdre dredd drede dreed drere drode drood drote drott e-dee e-otd edder eddoe eddre edeo- edere edoor edott edred eeeee eerde eorre erdor erdre erede erere erode erodr eroor erore eroto erred error erte erter etete etoro etree etter odder odeto odore oo-er ooooo order ordre ordro oredo oreed oreo- orere orero orodo oroer orret orter ortet ortoo otere otero ototo otter redde reder redor redot reede reere reord rerde rere- reree reret reted retee reter retro rette retto ro-ro rodde roded rodeo roder rodor roero roode rooer roore roote rorer roted roter roto- rotor rotot rotte rotto teder teerd teodo teret teror terre terro tert- teter tetr- tetro tette to-do toder todor toerr toeto toode tooed toord toore torde tored toreo toret torre torro torte torto toted toter toto- totoe totoo totte treed treer treet trere trete trett trode troee trood trott ttttt

de-err dededo deeded deedee deeder deedto deodeo deorro derere derrer dertod deterr detete detort detter dodded dodder dododo doored doorto dooted dorood dororo dorred dorree dorter dotdot dotodo dotted dotter dreder eored eototo eroded eroder eroto- errett etoeot ettore odette odored oerter oooooo oordoo ottoor r-tree redded redder reddot redere redoer redred redroe redrot redted reeded reeder rerode reroot reteed reteer reteet reteoo retere retore retort retree retret retro- retrod retrot retted retter rodded rodder rodero roeder rooted rooter rootte rorodt rorted rorter rotted rotter t-tree tedded tedder teeder teetee teeter teodor teredo terete terreo terrer terret terror terrot terter tertre tetede tetete tetter todder todote toetoe tooted tooter tootoo toredo torero torodo toroed tororo torret tortor totoro totrot totted totter treder treete tretee trette trotro trotte ttored

deedeed deodoro derrett deterre dod-rot doderer doo-doo dottore eddered eeeroer errored ooredoo ordered orderer orderto orterde ottered ottetto ottrott re-trod reddeer reddere redroot reorder reteere reterre retrete retrode rettert rettore rodeoed roedeer rootrot teodoro terere tereted tereto- terreer terrere tetrode tettete toe-toe too-too toorder torrert tototoo treetee trettre tro-tro trodded trotted trottee trotter

deterred deterrer detorted doddered dodderer doretree dottered dottodot red-deer reedreed rerooted retorted retorter rodetreo roe-deer roederer teddered teetered teetoter tettered toetotoe toottoot torotoro tottered totterer treeroot troeroed

ddddddddd door-tree doot-doot dotdotdot reordered reorderer retrotort rood-tree rotrooter rotterode tortoreto

doortodoor reredorter rodeoorder rotorooter toe-to-toe

orderedtodo rere-dorter roto-rooter

door-to-door teetertotter

teeter-totter tetter-totter

teetertottered

doodoodoodoodoo redderdeererred