-er eee eef eep eer ees eet ef- efe eff efi efp efr efs eft eie eif eii eip eir eis eit ep- epe epf epi epp epr eps ept ere erf eri erp err ers ert es- ese esf esi esp esr ess est ete etf eti etp etr ets ett fee fef fei fep fer fes fet ffe fff ffi ffp ffr ffs fft fie fif fii fip fir fis fit fpe fpi fpp fpr fps fpt fre frf fri frp frr frs frt fse fsf fsi fsp fsr fss fst fte ftf fti ftp ftr fts ftt i-f ie- iee ief iei iep ier ies iet ife iff ifi ifp ifr ifs ift iie iif iii iip iir iis iit ipe ipf ipi ipp ipr ips ipt ir- ire irf iri irp irr irs irt is- ise isf isi isp isr iss ist ite itf iti itp its itt p-p pee pef pei pep per pes pet pfe pff pfi pfp pfr pfs pft pie pif pii pip pir pis pit ppe ppf ppi ppp ppr pps ppt pre prf pri prp prr prs prt ps- pse psf psi psp psr pss pst pt- pte ptf pti ptp ptr pts ptt re- ree ref rei rep rer res ret rfe rff rfi rfp rfr rfs rft rie rif rii rip rir ris rit rpe rpf rpi rpp rpr rps rpt rrf rri rrp rrr rrs rrt rse rsf rsi rsp rsr rss rst rte rtf rti rtp rtr rts rtt se- see sef sei sep ser ses set sfe sff sfi sfp sfr sfs sft sie sif sii sip sir sis sit spe spf spi spp spr sps spt sr- sre srf sri srp srr srs srt ss- sse ssf ssi ssp ssr sss sst ste stf sti stp str sts stt te- tee tef tei tep ter tes tet tfe tff tfi tfp tfr tfs tft tie tif tii tip tir tis tit tpe tpf tpi tpp tpr tps tpt tre trf tri trp trr trs trt tse tsf tsi tsp tsr tss tst tte ttf tti ttp ttr tts ttt

eeee eees eefe eeps eers eese eesi eete eets efes efet effi effs efit efsi eft- eftp efts eiei eier eies eifs eipr eire eirs eise eiss eist eiti eitr epee eper epes epi- epie epip epis epit eppp epps eprp eprs epsf epsi epsp epss epte erei erer eres eret erfs erft erie eris erit erpe erps erre errs erse ersi erst erts esee eser eses eset esfp esfs esie esis esit espe espi espp esps esri esse essi essp esst este estp estr ests etee eter etes etfe etre etsi ette etti feer fees feet fefe feff fefi feie feir feis feit feps fere ferr fers fert fese fess fest fete feti fetp fetr fets fett ffee ffff ffii ffps ffrr ffss fftf fief fier fies fife fiff fifi fift fiii fipp fips fire firs fise fisi fiss fist fite fiti fits fitt fprf free frei frep fres fret frie frip fris frit frps frst fsfi fspf fssf fssp fter ftii ftpe ftps ftrs ftse ftsr ieet ieie iere ieri iers iesi iesr iest ietf iett ifer ifes ifis ifit ifps ifrf ifri ifsp iies iiie iiii iiis iiit iipf iirs iisi iisp iisr iist iitr iitt iper ipes ipet ipie ippf ippr ipri ipse ipsi ipsp ipss ipts iree irer ires irfe iri- irie irip iris irpe irps irre irri irrs irse irsf irsp irte irtf irti irtp irts isee isep iser ises iset isfp isie isis isit ispe ispf ispr isps isri isrp isse issf issi issp issr isss iste isti istp istr ists itep iter ites itet itie itif itis itrf itri itrs itse itsf itsi itsp ittf peep peer pees peet peff pefs peip peir peis peit pepe pepi peps per- pere perf peri perp perr pers pert pese pesi pess pest pete peti petr pets pett pfet pfff pffr pfft pfis pfit pfps pfte piep pier pies piet piff pifs piip pipe pipi pipp pips pire piri pirr pirs pise pisi piss pist pite pitf piti pitr pits pitt pper ppie ppif pppp ppps pprf ppsf ppss ppts pptt pre- pree pref prep pres pret prfs pri- prie prif prii pris prps prri prrs prse prsi prss prti prtp prtr psei psfs psip psis pspi pspp pspr psps psrp psse psst psts pter ptrf reef reep rees reet refe reff refi refr refs reft reif reii reir reis reit repe repi repp repr reps rept rere reri rers rert rese resi resp ress rest rete reti retr rets rett rfef rief riep rier ries riet rife riff rifs rift riif riis ripe ripi ripp ripr rips ript rire riri rirs rise risi risp riss rist rite riti rits ritt rpet rpii rpps rpts rrif rrrr rrsp rsee rsis rsps rsre rstp rsts rtee rtei rtes rtps rtss rttp rtts s-ii se-e se-f se-i se-s se-t seef seep seer sees seet seff sefi seft seie seif seii seip seir seis seit sepe sepi sepp sepr seps sept sere serf seri serp serr sers sert sese sesi sess sest set- sete setf seti sets sett sfer sfss sftp sfts sief sier sies sife siff sifr sift siit sipe sipi sipp sips sipt sire sirf siri sirp sirr sirs sirt sise sisi siss sist sit- site siti sits sitt spee spef sper spes spet spfs spie spip spir spis spit sppf spps spri sprs spse spsp spss spst sptr spts sres srfi sris srps srpt srsp srtp srtr ssee ssep sses sset ssfp ssis ssit sspe sspf ssps sspt ssri ssrs sssf sssi ssss sstp ssts stee stef step ster stes stet stie stif stip stir stis stit stpf stpp stps stre stri strs stsf stsi stss sttr teef teer tees teet teff tefi teft teie teip teir teis tepe tepi tepp ter- tere terf teri terp terr ters tese tesp tess test tete teti tetr tets tett tfpt tfrs tfsi