-er eee eeo eer eet eew eo- eoe eoo eor eot eow ere ero err ert erw ete eto etr ett etw ewe ewo ewr ewt eww oee oeo oer oet oo- ooo oor oot oow or- ore oro orr ort ot- ote oto otr ott otw owe owo owt oww re- ree reo rer ret rew roe roo ror rot row rrr rrt rte rto rtr rtt rtw rwe rwr te- tee teo ter tet tew to- toe too tor tot tow tre tro trr trt trw tte tto ttr ttt ttw twe two twr twt tww wee weo wer wet wew woe woo wor wot wow wr- wre wro wrr wrt wrw wto wtr wtt wtw wwe wwo wwt www

eeee eero eete eore eoto eotw erer eret erew eroe eroo erre erro erwt etee eter etoe etre etro ette etto ewer ewew ewre ewte o-eo oere ooer oooo oore oort ootw ore- oreo orer oro- oroe oror orot orro orte orto orwe orwo otee oter oto- otoe otoo otor otow otre otro otte otto otwo ower owoe owow owre owt- owte owtt reet reot rere rero rert rete reto retr rett rewe roer roet roor root rore roro rort rote roto rotr rott rowe rowr rowt roww rrrr rtee teer teet teor teow ter- tere tero terr tete teto tetr tett tewo toee toer toet toor toot tore toro torr tort tote toto totr tott towe tre- tree treo tret trew troe troo trot trow trte trtr trwe tteo tter ttoe tttt twee twer two- twoo twot weeo weer weet weow wer- were wero werr wert werw wete weto wetr wett wewe wewo woer woot woow wore woro worr wort worw wote wotr wott wotw wowe wowo wowt woww wree wrer wret wrew wroo wrot wrow wrre wrro wrrw wrte wrto wrtr wrtw wrwr wtoe wtor wtot wtow wtre wtro wtrt wtrw wtte wtto wttr wttt wttw wtwo wtwr wtwt wtww wweo wwer wwet wwor wwot wwow wwre wwrr wwrw wwtr wwtw wwwe wwwr wwww

-tree eeeee eorre erere erewe eroor erore eroto errew error erte erter etete etoro etree etter etwee ewert oo-er ooooo oowee oreo- orere orero oroer orret orrow orter ortet ortoo ortwo orwoe otere otero ototo otter oweto owre- owte- owtte reere reewe reowe rere- reree reret rerow retee reter retew retow retro rette retto rewer rewet ro-ro roero roewe rooer roore roote rorer roter roto- rotor rotot rotte rotto rower rowet rowte rowto rowwe teret teror terre terro tert- teter tetr- tetro tette tewer tewet tewor toerr toeto toetw toore toreo toret torow torre torro torte torto toter toto- totoe totoo totte totwo towee tower towoo towre treer treet trere trete trett trewe troee trott trowe ttttt tweer tweet twere twoer twoor twort twote twoto weere weero weert weete weore weote weowe were- werew werre werte weter wetoo wette wetto woeto wooer woore woote woree worow worre wotte wowee wowow wowte wrete wrett wroot wrote wrowe wwwww

eototo eroto- errett etoeot ettore ewerer oerter oooooo ortrow ottoor r-tree reroot reteer reteet reteoo retere retore retort retree retret retro- retrot retter rewere rewore rooter rootte rorter rotter rowett rowrow rwtowr t-tree teetee teeter terete terreo terrer terret terror terrot terter tertre tetete tetter toetoe tooter tootoo torero tororo torret tortor totoro totowe totrot totter towret treete treewe treowe tretee trette trotro trotte trower trowet tworow weetot weewee wertew wertow wetere wetter wewere woowoo worowe worowo worret worrow wotter wottoo wowwee wrette wroteo wrotte

e-tower eeeroer ottetto ottrott reteere reterre retrete rettert rettore retweet rewrote rootrot terere tereto- terreer terrere teterow tettete toe-toe too-too torrert tototoo tow-row toweret treetee trettre tro-tro trottee trotter tweeter tweetto wee-wee woo-woo wow-wow wowowee wowowow wrooter wroteto

retorter teetoter toetotoe toottoot torotoro totterer treeroot tretower twototwo

retrotort rotrooter rowrowrow tortoreto towereroo towerwort weet-weet weeweewee

rotorooter toe-to-toe towertower

roto-rooter

teetertotter

teeter-totter tetter-totter tweetertotter