-er eee eef eep eer eet ef- efe eff efp efr eft ep- epe epf epp epr ept ere erf erp err ert ete etf etp etr ett fee fef fep fer fet ffe fff ffp ffr fft fpe fpp fpr fpt fre frf frp frr frt fte ftf ftp ftr ftt p-p pee pef pep per pet pfe pff pfp pfr pft ppe ppf ppp ppr ppt pre prf prp prr prt pt- pte ptf ptp ptr ptt re- ree ref rep rer ret rfe rff rfp rfr rft rpe rpf rpp rpr rpt rrf rrp rrr rrt rte rtf rtp rtr rtt te- tee tef tep ter tet tfe tff tfp tfr tft tpe tpf tpp tpr tpt tre trf trp trr trt tte ttf ttp ttr ttt

eeee eefe eete efet eft- eftp epee eper eppp eprp epte erer eret erft erpe erre etee eter etfe etre ette feer feet fefe feff fere ferr fert fete fetp fetr fett ffee ffff ffrr fftf fprf free frep fret fter ftpe peep peer peet peff pepe per- pere perf perp perr pert pete petr pett pfet pfff pffr pfft pfte pper pppp pprf pptt pre- pree pref prep pret prtp prtr pter ptrf reef reep reet refe reff refr reft repe repp repr rept rere rert rete retr rett rfef rpet rrrr rtee rttp teef teer teet teff teft tepe tepp ter- tere terf terp terr tete tetr tett tfpt tftp tper tppp tppr tpte tptp tptr tre- tree tref tret trfr trpe trpp trte trtr tter ttff tttt

-tree eeeee eepee efere efetf effer effet efter eptfe erept erere erte erter etete etree etter feere feret ferr- ferre ferte feter fette freep freer freet frere frett ftrtt p-rep peere peert peete pepee peppe pept- perer peret perre perte peter petr- petre pette preef preff prete pter- ptere ptpre ptprf ptprr ptprt reefe reeft reepe reere refer refet reffe repet reppe reprt rere- reree reret retee reter rette rperf teepe tefe tepee tepet teret terre tert- teter tetr- tette treer treet trefe treff trepp trept trere trete trett ttttt

effere effete efreet efter- errett ferfer ferrer ferret fertee ferter fetter freepr frefre frette fterer fterre peepee peeper peerer peeter peetre peffer pepper perere perper perpet perree perret perter pertre peteet petree petrer petter pettet pppppp prefer prefet preffe preter pretre prette r-tree reefer reeffe reeper refeet refeff refert refete refret refter repete repper repref reteer reteet retere retree retret retter t-tree teepee teetee teeter tepper terete terper terrer terret terter tertre tetete tetter treete trefet trefte treppe tretee trette

ferrere freeppp freeter fretter pee-pee peretre perrett pfeffer preferr preffer prepere prepper prerept preter- referee referer refrete reperte repreef reprefe rerefer reteere reterre retrete rettert terere terreer terrere tettete treetee trepett trettre

ferreter ferrette fetterer peeppeep pepperer pepperet perpetre perrerer preferee preferer referree referrer treefree

preferree preferrer repe-refe

ferretfeet pepperette peppertree peterpeter

pepper-tree