-er eee eeo eep eer ees eet eo- eoe eoo eop eor eos eot ep- epe epo epp epr eps ept ere ero erp err ers ert es- ese eso esp esr ess est ete eto etp etr ets ett oee oeo oep oer oes oet oo- ooo oop oor oos oot op- ope opo opp opr ops opt or- ore oro orp orr ors ort os- ose oso osp osr oss ost ot- ote oto otp otr ots ott p-p pee peo pep per pes pet poe poo pop por pos pot ppe ppo ppp ppr pps ppt pre pro prp prr prs prt ps- pse pso psp psr pss pst pt- pte pto ptp ptr pts ptt re- ree reo rep rer res ret roe roo rop ror ros rot rpe rpo rpp rpr rps rpt rrp rrr rrs rrt rse rso rsp rsr rss rst rte rto rtp rtr rts rtt se- see seo sep ser ses set soe soo sop sor sos sot spe spo spp spr sps spt sr- sre sro srp srr srs srt ss- sse sso ssp ssr sss sst ste sto stp str sts stt te- tee teo tep ter tes tet to- toe too top tor tos tot tpe tpo tpp tpr tps tpt tre tro trp trr trs trt tse tso tsp tsr tss tst tte tto ttp ttr tts ttt

-ose eeee eees eeps eero eers eese eete eets eoes eore eost eoto eots epee eper epes epor epos epot eppo eppp epps epro eprp eprs epsp epss epte erer eres eret eroe eroo eros erpe erps erre erro errs erse erso erst erts esee eseo eser eses eset eso- esop esos espe espo espp esps esse esso essp esst este esto estp estr ests etee eter etes etoe etos etre etro ette etto o-eo oeps oere oers oese oest ooer ooes oooo ooos oops oore oort oose oost ootp oots opep oper opes opet opo- opor opos oppo opps opto opts ore- oreo orer ores oro- oroe oror oros orot orpe orps orro orrs orse orso orte orto orts osee oser oses oset osoo osor osos osro osse osso oste ostr osts otee otep oter otes oto- otoe otoo otor otos otpp otre otro otrs otse otso otte otto otts peep peer pees peet peor pepe pepo peps per- pere pero perp perr pers pert pese peso pess pest pete peto petr pets pett poer poes poet poop poor poos poot pop- pope popo popp pops popt pore poro porr pors port pose poso poss post pote poto pots pott pper ppos pppo pppp ppps ppss ppts pptt pre- pree prep pres pret pro- proe proo prop pros prot prps prrs prse prso prss prtp prtr psos pspp pspr psps psrp psse psso psst psts pter ptop reep rees reet reop reos reot repe repo repp repr reps rept rere rero rers rert rese reso resp ress rest rete reto retr rets rett roer roes roet roop roor roos root rope ropo rops rore roro rort rose roso rosp ross rost rote roto rotr rots rott rpet rpoe rpos rpps rpts rrrr rrsp rsee rsos rspo rsps rsre rstp rsts rtee rtes rtps rtss rttp rtts s-os se-e se-o se-s se-t seep seer sees seet seop sepe sepo sepp sepr seps sept sere sero serp serr sers sert sese seso sess sest set- sete seto sets sett soeo soep soes soop soor soos soot sope sopo sopp sops sore soro sorr sors sort sose soso soss sost sote soto sotp sots spee sper spes spet spoo spop spor spos spot spps spro sprs spse spso spsp spss spst spto sptr spts sreo sres sros srps srpt srsp srtp srtr ssee ssep sses sset ssop ssot sspe sspo ssps sspt ssrs ssss sstp ssts stee steo step ster stes stet stoe stoo stop stor stos stot stpp stps stre stro strs stss sttr teer tees teet teor teos tepe tepp ter- tere tero terp terr ters tese teso tesp tess test tete teto tetr tets tett toee toer toes toet toor toos toot top- tope topo topp tops topt tore toro torp torr tors tort tose toso toss tost tote toto totr tots tott tper tppp tppr tprs tpte tptp tptr tre- tree treo tres tret troe troo trop tros trot trpe trpp trps trst trte trtr tses tset tsop tsos tspo tsps tspt tsse tssr tsst tsts tteo tter ttoe ttop ttss tttt

-tree e-pro eeeee eepee eeros eorre eoste epees epops epopt epost epote eppes erept erere erest erets eroes eroor eroos erore erose eross eroto erres error erses erste ersts erte erter ertes esere esops esp-r esper espoo espot espre esser esses essor essse estee estep ester estes estet estop estos estre estro etest etete etops etoro etree etres etter ettes oeppo oeses oeste oo-er ooooo ooser ooste opepe opere opers opose opper oppos opter opto- optot optto oreo- oreos orere orero orest oroer orose oroso orost orret orser orses orter ortes ortet ortoo osete ososo osper osse- osseo osser osset ossos osstp oste- osteo ostep oster ostre ostro otere otero otoes otose otoso ototo otpor otros otste otter ottos p-rep peeps peere peers peert peese peest peete peets peose pepee pepes pepos peppe pepst pept- pepto perer peres peret perot perps perre perro perse perso persp perst perte perto peses pesos pesse peste pesto pests peter petes petos petr- petre petro pette petto petts po-po poers poete poets pooer poope poopo poops poore poors poort poose poost poote poots poper popes popet popop popos poppe poppo porer pores poret poro- poros porro porse porte porto ports poser poses poset posse post- poste posto postp posts potee poter potes potoo potop potor potos potpe potro potte potto potts ppers prees preop preps prese preso press prest prete preto proer proes proor proot prop- prope propp propr props propt prore pros- prose proso pross prost prot- proto prtor psor- psort psote pssst pssts pter- ptere ptero pters