-er eee eef eek eep eer eet ef- efe eff efp efr eft eke ekf ekp ekr ekt ep- epe epf epp epr ept ere erf erk erp err ert ete etf etk etp etr ett fee fef fek fep fer fet ffe fff ffk ffp ffr fft fkf fkk fkp fkt fpe fpk fpp fpr fpt fre frf frk frp frr frt fte ftf ftk ftp ftr ftt k-t ke- kee kef kek kep ker ket kff kke kkk kkp kkr kkt kpe kpf kpk kpp kpr kpt krf krk krp krr krt kte ktf ktk ktp ktr ktt p-p pee pef pek pep per pet pfe pff pfk pfp pfr pft pke pkf pkp pkr pkt ppe ppf ppk ppp ppr ppt pre prf prk prp prr prt pt- pte ptf ptk ptp ptr ptt re- ree ref rek rep rer ret rfe rff rfk rfp rfr rft rke rkf rkk rkp rkt rpe rpf rpk rpp rpr rpt rrf rrk rrp rrr rrt rte rtf rtk rtp rtr rtt te- tee tef tek tep ter tet tfe tff tfk tfp tfr tft tke tkk tkp tkr tkt tpe tpf tpk tpp tpr tpt tre trf trk trp trr trt tte ttf ttk ttp ttr ttt

eeee eefe eeke eete efet efke eft- eftp ekek eker eket ekpe epee eper eppp eprp epte erer eret erft erke erpe erre etee eter etfe etre ette f--k feek feer feet fefe feff feke fere ferk ferr fert fete fetp fetr fett ffee ffff ffrr fftf fprf free frep fret fter ftpe keef keek keep keer keet keff kefr keft keke kep- kepe kept ker- kere kerf kerk kerp kerr kert ket- kete ketf ketk ketp ketr kett kfer kfff kffk kfpr kfpt kfre kfrp kfrr kfte kftk kftt kkfr kkft kkkk kkpk kkpt kkre kkrf kkrk kkrr kkrt kktk kpek kper kpet kpfk kpfr kpft kpke kpkk kpkr kppk kppp kppr kpre kprf kprk kprp kprr kprt kpte kptr kptt kree kref krek kret krfe krff krfp krft krke krkk krkr krpr krpt krre krrf krrk krrr krrt krtk krtr ktee ktek ktep ktke ktkk ktkr ktkt ktpk ktpr ktpt ktre ktrf ktrk ktrp ktrr ktrt kttf kttk kttp kttr kttt peek peep peer peet peff peke pekk pepe per- pere perf perk perp perr pert pete petr pett pfet pfff pffr pfft pfkp pfte pper pppp pprf pptt pre- pree pref prek prep pret prtp prtr pter ptrf pttk reef reek reep reet refe reff refr reft reke rekt repe repp repr rept rere rert rete retr rett rfef rkkf rpet rrrr rtee rttp teef teek teer teet teff teft teke tepe tepp ter- tere terf terk terp terr tete tetr tett tfpt tftp tper tpke tppp tppr tpte tptp tptr tre- tree tref trek tret trfr trpe trpp trte trtr tter ttff tttt

-tree eeeee eepee efere efetf effer effet efter ekker eptfe erept erere erte erter eteke etete etree etrek etter feere feret ferr- ferre ferte feter fette freek freep freer freet freke frere frett ftrtt k-p-r keefe keepe keere kefee keppe kerek kerep keret kerre ketek keter kette kreef kreek kreep kreke krepe krete p-rep peeke peere peert peete peket pekre pepee peppe pept- perer peret perke perre perte peter petr- petre pette pre-k preef preff preke prete pter- ptere ptpre ptprf ptprk ptprr ptprt reefe reeft reepe reere refer refet reffe rekke repet reppe reprt rere- reree reret retee reter rette rperf rt-rk teepe tefe teket tekke tepee tepet tepke terek teret terre tert- teter tetr- tette treer treet trefe treff trepp trept trere trete trett ttttt

effere effete efreet efter- errett fekete ferfer ferrer ferret fertee fertek ferter fetter freepr frefre frette fterer fterre k-tree keefer keeffe keeker keeper kepper kereft kerker kertee ketter krefft kreker kretek peeker peepee peeper peerer peeter peetre peffer pepper perere perper perpet perree perret pertek perter pertre peteet petree petrer petter pettet pppppp prefer prefet preffe preket preter pretre prette prkeet r-tree reefer reeffe reeker 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 treker treppe tretee trette

ekekete feetper ferrere freeppp freeter fretter kee-kee kerpert kreeker kreppet pee-pee peperek peretre perrett pertrek pfeffer prefekt preferr preffer prekete prepere prepper prerept preter- referee referer refrete reperte repreef reprefe rerefer reteere reterre retrete rettert terere terreer terrere tettete treetee trekker trepett trettre

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

keek-keek petkeeper preferree preferrer repe-refe

ferretfeet pepperette peppertree peterpeter

pepper-tree