-er eee eef eer eet ef- efe eff efr eft ejf ejt ere erf err ert ete etf etj etr ett fee fef fer fet ffe fff ffr fft fre frf frj frr frt fte ftf ftr ftt jee jef jej jer jet jfe jff jfj jfr jft jjf jjj jjr jrf jrr jrt jte jtf jtr jtt re- ree ref rer ret rfe rff rfj rfr rft rjf rjr rrf rrr rrt rte rtf rtj rtr rtt te- tee tef tej ter tet tfe tff tfj tfr tft tje tjf tjr tre trf trr trt tte ttf ttr ttt

eeee eefe eete efet eft- ejer erer eret erft erre etee eter etfe etre ette feer feet fefe feff fere ferr fert fete fetr fett ffee ffff ffrr fftf free fret fter jeer jeet jefe jeff jere jert jete jett jfet jftr reef reet refe reff refr reft rere rert rete retr rett rfef rrrr rtee teef teej teer teet teff teft ter- tere terf terj terr tete tetr tett tre- tree tref tret trfr trte trtr tter ttff tttt

-tree eeeee efere efetf effer effet efter erere erte erter etete etree etter feere fejer feret ferr- ferre ferte feter fette freej freer freet frere frett ftrtt jerre jerte jetee jeter jette reefe reeft reere refer refet reffe rere- reree reret retee reter retje rette rtejr tefe teret terje terre tert- teter tetr- tette treer treet trefe treff trere trete trett ttttt

effere effete efreet efter- errett feejee ferfer ferrer ferret fertee ferter fetter frefre frette fterer fterre jeerer jettee jetter r-tree reefer reeffe refeet refeff refert refete refret refter reteer reteet retere retree retret retter t-tree teetee teeter terete terrer terret terter tertre tetete tetter tjejer treete trefet trefte tretee trette

ferrere freeter fretter referee referer refrete rerefer reteere reterre retrete rettert terere terreer terrere tettete treetee trettre

ferreter ferrette fetterer referree referrer treefree

ferretfeet