-er c-- ccc cce ccf ccr ccs cct ce- cec cee cef cer ces cet cfc cfe cff cfr cfs cft crc cre crf crr crs crt csc cse csf csr css cst ctc cte ctf ctr cts ctt ec- ecc ece ecf ecr ecs ect eec eee eef eer ees eet ef- efc efe eff efr efs eft erc ere erf err ers ert es- esc ese esf esr ess est etc ete etf etr ets ett fcc fce fcf fcr fcs fct fec fee fef fer fes fet ffc ffe fff ffr ffs fft frc fre frf frr frs frt fsc fse fsf fsr fss fst ftc fte ftf ftr fts ftt rcc rce rcf rcr rcs rct re- rec ree ref rer res ret rfc rfe rff rfr rfs rft rrc rrf rrr rrs rrt rsc rse rsf rsr rss rst rtc rte rtf rtr rts rtt scc sce scf scr scs sct se- sec see sef ser ses set sfc sfe sff sfr sfs sft sr- src sre srf srr srs srt ss- ssc sse ssf ssr sss sst stc ste stf str sts stt tcc tce tcf tcr tcs tct te- tec tee tef ter tes tet tfc tfe tff tfr tfs tft trc tre trf trr trs trt tsc tse tsf tsr tss tst ttc tte ttf ttr tts ttt

cccc cccf cccs ccee ccfc ccff ccrc ccre ccrf ccrs ccrt ccsf ccss ccst cctc cctt cec- cece cecs cect ceec cees cef- cefc cer- cerc cere cerf cers cert cesc cese cesr cess cest cet- cete cets cfcf cfcs cffr cfre cfrt cfse cftc cfte cftr crcc crce crcr cre- crec cree cres cret crfc crfs crrt crss crst crtc crtf crts cscc csce cscf cscr cscs csec csee cser cset csfc csfr csrc csrs csse cssr cstc cstr csts ctcf ctec ctfc ctfs ctrc ctrs ctsc ctss ctts eccc ecce ecct ecef eces ecfc ecfr ecfs ecrc ecrf ecrr ecsc ecse ecss ect- ectc ectf ects eecs eeee eees eefe eerc eers eese eetc eete eets efes efet effs eft- efts ercc erce erec erer eres eret erfc erfs erft errc erre errs erse erst erts esce escr escs esee eser eses eset esfs esse esst estc este estr ests etcc etcs etec etee eter etes etfc etfe etre ette fccf fces fcsc fcst fece fect feer fees feet fefc fefe feff ferc fere ferr fers fert fese fess fest fete fetr fets fett ffcc ffee ffff ffrr ffss fftf frcc free fres fret frfc frsc frst fscc fsec fssc fssf ft-c fter ftfc ftrs ftse ftsr rccc rccs rcet rcfc rcsc rcss rctc rcts recc rece recr recs rect reef rees reet refe reff refr refs reft rere rers rert rese ress rest rete retr rets rett rfef rffc rftc rrfc rrrr rscc rscs rsee rsfc rsre rsts rtcc rtce rtee rtes rtfc rtss rtts sccc scce sccs scct scec scee scer scet scfc scfe scr- scrc scre scrs scsc scsr scst sctc sctr scts se-c se-e se-f se-s se-t sec- secc sece secr secs sect seec seef seer sees seet seff seft serc sere serf serr sers sert sesc sese sess sest set- setc sete setf sets sett sfcc sfcs sfer sffc sfrc sfss sfts srcc srct srec sres srfc srtr sscc ssce sscs ssec ssee sses sset ssfc ssrc ssrs sssc sssf ssss sstc ssts stcc stcs stec stee stef ster stes stet stfc strc stre strs stsf stss sttc sttr tccc tcfc tctc tcts tecr tecs tect teec teef teer tees teet tefc teff teft ter- terc tere terf terr ters tesc tese tess test tete tetr tets tett tfec tfrs tfss tftc trcc tre- trec tree tref tres tret trfc trfr trst trtc trte trtr tscc tsec tses tset tsfc tsse tssf tssr tsst tstc tsts tter ttfc ttff ttss tttt

-tree c-tec ccccc ccett ceere ceese cerc- cerce cercs cerec cerer ceres ceret cerfs cerre cerrs cerse cerss certe certs cesce cescr cesse ceste cests cetes cette crece creer crees creft cresc crese cress crest crete crres csere cstcc ctree cttee ecser ectfe eeeee ef-ts efere efetf effer effet effts efter erecs erect erere erest erets erres erses erste ersts erte erter ertes esces escrt esect esere esref esser esses essse estce estee ester estes estet estre etest etete etree etres etter ettes fcsts feces feere feers feese feets ferce feres feret ferr- ferre ferse ferte feser fesse fest- feste fests feter fetes fette frcsc freer frees freet frere frese fress frest frets frett ftest ftrtt recce recet rect- recte rects reece reecs reefe reefs reeft reere reese reest refer refet reffe refts rere- reree reres reret resee reses reset resse reste restr rests retee reter retes rette retts rsssf s-tec scere scert screc scree scter sctrs secre secte sects seece seere seers seese seest seete sefer sefes seffe sefte serce serec seref serer seres seret serfe serff serfs serre serse serss sert- serte serts sesce seser seses sesse seste setec setee seter setse setsf sette setts sssss steer stees steet steff sterc stere sterr sters stert stete stets stree stret strrs teers teese teest teets tefe teffs terce teres teret terre terrs terse tert- tesse teste tests teter tetes tetr- tette treer trees treet trefe treff trefs trere tres- trese tress trest trete trets trett trsce tsere tsets tsrcs ttest ttttt

ceecee ceesse cerete certes cesser cesses cesset cestes creese creest creete cresce creset cresse cresst creste crests cretes csecse eerect efecte effect effere effete efreet efter- efters erects eretes errest errett erster esetce essert essess esssse estees esterc esters estree estres estter esttes etcetc f-fcsr f-test feeres feeses ferfer ferrer ferres ferret fertee ferter fesere fesser fesses fester fetter fettes freers freese freest frefre freres fresse fresst frette fretts fterer fterre r-tree recces recess reects reefer reeffe reeser reeses reests refect refeet refeff refers refert refete refret refter rerees rescet resect resees resets rester restes restte retece reteer retees reteet retere retest retree retret