-er eee eel eep eer ees eet eex ele ell elp elr els elt elx ep- epe epl epp epr eps ept epx ere erl erp err ers ert es- ese esl esp esr ess est esx ete etl etp etr ets ett etx ex- exe exl exp exr exs ext exx l-p lee lel lep ler les let lex lle lll llp llr lls llt lpe lpl lpp lpr lps lpt lpx lrp lrr lrs lrt lse lsl lsp lsr lss lst lte ltl ltp ltr lts ltt ltx lxr lxx p-p pee pel pep per pes pet pex ple pll plp plr pls plt plx ppe ppl ppp ppr pps ppt ppx pre prl prp prr prs prt prx ps- pse psl psp psr pss pst psx pt- pte ptl ptp ptr pts ptt ptx pxe pxl pxr pxs pxt re- ree rel rep rer res ret rex rle rll rlp rlr rls rlt rpe rpl rpp rpr rps rpt rpx rrl rrp rrr rrs rrt rse rsl rsp rsr rss rst rsx rte rtl rtp rtr rts rtt rtx rxp rxr rxs se- see sel sep ser ses set sex sle sll slp slr sls slt slx spe spl spp spr sps spt spx sr- sre srl srp srr srs srt srx ss- sse ssl ssp ssr sss sst ssx ste stl stp str sts stt stx sxl sxs sxt t-x te- tee tel tep ter tes tet tex tle tll tlp tlr tls tlt tlx tpe tpl tpp tpr tps tpt tpx tre trl trp trr trs trt trx tse tsl tsp tsr tss tst tsx tte ttl ttp ttr tts ttt ttx txe txl txs txt xee xel xep xer xes xet xex xlr xls xlt xpe xpl xpp xps xpt xrt xrx xsl xsp xss xst xtp xtr xts xtx xxl xxp xxx

eeee eees eele eels eeps eers eese eete eets eext el-p elee eler eles elet elex elle ells elpe else elst elte elts epee eper epes eple epll eppp epps eprp eprs epsp epss epsx epte epxp er-x erel erer eres eret erle erll erpe erps erre errs erse erst ertl erts esee esel eser eses eset eslp espe espp esps esse essl essp esst este estp estr ests etee etel eter etes etre ette exel exer exes expr expt exrx exte extl extr exts leel leep leer lees leet lele lell lepe lepp leps lept lere lerp lert lese less lest lete lets lett lext lexx lles llet llll llps lppl lprp lpss lrps lrrr lrse lrst lrts ls-r lses lset lspl lspr lssp lssr lsts ltee ltps ltrs ltsp ltsr lttr lxxx peel peep peer pees peet pel- pele pell pels pelt pepe peps per- pere perl perp perr pers pert pese pess pest pete petr pets pett ple- plee ples plet plex plpp plss pltt pper pple pppp ppps ppss ppts pptt pre- pree prel prep pres pret prex prle prlr prls prps prrs prse prsl prss prtp prtr psel pspp pspr psps psrp psse psst psts pter pxes reel reep rees reet rele rell relp rels relt repe repl repp repr reps rept rere rers rert rese resp ress rest rete retr rets rett rexx rlee rlls rpet rpls rpps rpts rrle rrrr rrsp rsee rslp rsps rsre rssl rstp rsts rtee rtes rtex rtle rtls rtlt rtps rtss rttp rtts rxes se-e se-s se-t se-x seel seep seer sees seet seex sele sell sels selt sepe sepp sepr seps sept sepx sere serp serr sers sert sese sess sest set- sete setl sets sett setx sex- sexe sexp sext slee slep sler sles slet sllp slpp slps slre slrp slrs slst slts spee spel sper spes spet spex sple splp splr spls spps sprs spse spsp spss spst sptr spts sres srps srpt srpx srsp srtp srtr ssee ssep sses sset ssex ssle sslp sslt sspe sspl ssps sspt sspx ssrl ssrs ssss sstl sstp ssts stee stel step ster stes stet stex stle stlt stpp stps stre strs stss sttr teel teer tees teet tel- tele tell tels telt tepe tepp ter- tere terp terr ters tese tesl tesp tess test tete tetr tets tett tetx text tlrs tltx tper tpls tppp tppr tprs tpte tptp tptr tre- tree tres tret trex trpe trpp trps trst trte trtr tses tset tsps tspt tsse tssr tsst tsts tter ttss tttt txtr xeer xer- xers xert xexe xlet xlpe xper xrep xsel xslt xtep xtsr xxxx

-tree eeeee eeler eepee eleet elele elers eless elest elets ellel eller elles ellet elpee elper elser elses elspe eltrs epees eppes epsxe erept erere erest erets erles erpel erres erses erste ersts erte ertel erter ertes esels esere esp-r espel esper espre esrel essel esser esses essex essse estee estel estep ester estes estet estre etest etete etext etree etres ettel etter ettes ettle exept exert exlex exlts expel exper exptl exptr exslt extel exter extre extts leell leere leers leert leese leest leets lelep leles lelex lelle lepel leper lepet leppe lepre lept- lerer lerps leser lesse leste letre lette letts lexer lexes lexxe llers llrrs lsers p-rep peele peell peels peeps peere peerl peers peert peese peest peete peets pelee peler peles pelet pelle pells pelts pepee pepel pepes peple peppe pepst pept- perel perer peres peret perle perps perre perse persp perst perte pesel peses pesle pesse peste pests peter petes petr- petre pette petts pexel pleep pleet plese pless plete plstr ppers pples prees prell prelp prels prepl preps prese presl press prest prete prles pssst pssts pter- ptere pters ptpre ptprr ptprs ptprt reels reepe reere reese reest relee reles relet relex relte repel repet reple reppe repps reprt repts rere- reree reres reret resee resel reses reset resse reste restr rests retee retel reter retes retex rette retts rexel rexer rexes rless rlrts rrsps rtext seele seels seeps seere seers seese seest seete seler seles selex selle sells sellt selte sepet sept- septs serer