-er c-- ccc cce ccf ccr cct ce- cec cee cef cer cet cfc cfe cff cfr cft crc cre crf crr crt ctc cte ctf ctr ctt ec- ecc ece ecf ecr ect eec eee eef eer eet ef- efc efe eff efr eft erc ere erf err ert etc ete etf etr ett fcc fce fcf fcr fct fec fee fef fer fet ffc ffe fff ffr fft frc fre frf frr frt ftc fte ftf ftr ftt rcc rce rcf rcr rct re- rec ree ref rer ret rfc rfe rff rfr rft rrc rrf rrr rrt rtc rte rtf rtr rtt tcc tce tcf tcr tct te- tec tee tef ter tet tfc tfe tff tfr tft trc tre trf trr trt ttc tte ttf ttr ttt

cccc cccf ccee ccfc ccff ccrc ccre ccrf ccrt cctc cctt cec- cece cect ceec cef- cefc cer- cerc cere cerf cert cet- cete cfcf cffr cfre cfrt cftc cfte cftr crcc crce crcr cre- crec cree cret crfc crrt crtc crtf ctcf ctec ctfc ctrc eccc ecce ecct ecef ecfc ecfr ecrc ecrf ecrr ect- ectc ectf eeee eefe eerc eetc eete efet eft- ercc erce erec erer eret erfc erft errc erre etcc etec etee eter etfc etfe etre ette fccf fece fect feer feet fefc fefe feff ferc fere ferr fert fete fetr fett ffcc ffee ffff ffrr fftf frcc free fret frfc ft-c fter ftfc rccc rcet rcfc rctc recc rece recr rect reef reet refe reff refr reft rere rert rete retr rett rfef rffc rftc rrfc rrrr rtcc rtce rtee rtfc tccc tcfc tctc tecr tect teec teef teer teet tefc teff teft ter- terc tere terf terr tete tetr tett tfec tftc trcc tre- trec tree tref tret trfc trfr trtc trte trtr tter ttfc ttff tttt

-tree c-tec ccccc ccett ceere cerc- cerce cerec cerer ceret cerre certe cette crece creer creft crete ctree cttee ectfe eeeee efere efetf effer effet efter erect erere erte erter etete etree etter feere ferce feret ferr- ferre ferte feter fette freer freet frere frett ftrtt recce recet rect- recte reece reefe reeft reere refer refet reffe rere- reree reret retee reter rette tefe terce teret terre tert- teter tetr- tette treer treet trefe treff trere trete trett ttttt

ceecee cerete creete eerect efecte effect effere effete efreet efter- errett etcetc ferfer ferrer ferret fertee ferter fetter frefre frette fterer fterre r-tree reefer reeffe refect refeet refeff refert refete refret refter retece reteer reteet retere retree retret retter t-tree teetee teeter tercer tercet terete terrer terret terter tertre tetete tetter tr-rec treece treete trefet trefte tretee trette

cert-ee erecter ferrere freeter fretter reerect referee referer refrete rerefer reteere reterre retrete rettert tec-tec terere terreer terrere tettete treetee trettre

ferreter ferrette fetterer recetter referree referrer treefree

cerre-tree ferretfeet

ccccccccccccccc