erit erpe erps errc erre errs erse ersi erst erts esce esci escr escs esdi esdp esds esee eser eses eset esie esis esit espc espe espi espp esps esrd esri esse essi essp esst estc estd este estp estr ests etcc etcs etds etec etee eter etes etic etre etsi ette etti iccc icci iccp iccr iccs icct icdc icdd icde icdp icec iced icee icer ices icet icis icpc icpd icps icrc icre icrr icrs icrt icsc icsd icse icsi icsp icsr icss icst ictp icts idce idcr idec ided idee ider ides idic idid idie idir idis idps idrc idre idsc idse idss idtp idts iecc iedr ieds ieet ieie iere ieri iers iesc iesi iesr iest iett iicd iide iied iies iiie iiii iiis iiit iirc iirs iisc iisd iisi iisp iisr iist iitr iitt ipcc ipce ipcs ipct ipdc ipdi ipec iper ipes ipet ipid ipie ippc ippr ipri ipsc ipse ipsi ipsp ipss iptc ipts ircc ircd ircs irdc irdp irds ired iree irer ires iri- iric irid irie irip iris irpc irpe irps irrc irre irri irrs irse irsp irte irti irtp irts iscc iscd isci iscp iscr iscs isct isdc isde isds isec ised isee isep iser ises iset isic isie isis isit ispc ispe ispr isps isri isrp issc isse issi issp issr isss istc istd iste isti istp istr ists itcs itec itep iter ites itet itic itie itis itpc itri itrs itse itsi itsp pccc pcce pccs pcep pcer pcip pcpp pcps pcrc pcrd pcre pcse pcte pcts pdci pdcp pdes pdic pdpr pdrc pdrs pdsd pdss pdtc pece peci pecr pecs pect ped- pede pedi peds peec peed peep peer pees peet peip peir peis peit pepd pepe pepi peps per- perc perd pere peri perp perr pers pert pese pesi pess pest pete peti petr pets pett picc pice pici picr pics pict pide pids pied piep pier pies piet piip pipe pipi pipp pips pirc pire piri pirr pirs pisd pise pisi piss pist pite piti pitr pits pitt ppcc ppcd ppci ppcs ppds pper ppic ppid ppie pppd pppp ppps pprc ppss ppts pptt prcc prcd prcp prcs pre- prec pred pree prep pres pret pri- prid prie prii pris prpd prps prrd prri prrs prsc prsd prse prsi prss prtc prti prtp prtr psci psdc psdi psdp psdr psds psec psei psid psip psis pspi pspp pspr psps psrd psrp pssc psse psst psts ptcc ptdc pter ptpd ptrd ptsd pttc rccc rccs rcdc rcde rcds rcep rcet rcic rcid rcis rcpd rcpi rcps rcpt rcrd rcsc rcsd rcsi rcss rctc rcti rcts rder rdpc recc recd rece reci recp recr recs rect redc redd rede redi redr reds reed reep rees reet reid reii reir reis reit repe repi repp repr reps rept rerd rere reri rers rert rese resi resp ress rest retd rete reti retr rets rett ricc rice rics rict ridc ridd ride ridi rids ried riep rier ries riet riis ripd ripe ripi ripp ripr rips ript rire riri rirs risc risd rise risi risp riss rist rite riti rits ritt rpcs rpdp rpet rpii rpps rptd rpts rred rrrr rrsp rscc rscs rsdd rsds rsee rsid rsis rsps rsre rstp rsts rtcc rtce rtdt rtee rtei rtes rtps rtss rttp rtts s-ic s-ii sccc scce sccp sccs scct scdc scdp scds scec scee scep scer scet sci- scic scid scie scip scir scis scit scpe scpi scps scpt scr- scrc scre scri scrs scsc scsd scsi scsr scst sctc sctd sctr scts sdcc sddc sdds sdep sder sdes sdet sdic sdpr sdps sdrc sdrs sdsc sdss se-c se-d se-e se-i se-s se-t sec- secc secd sece secr secs sect sede seds seec seed seep seer sees seet seid seie seii seip seir seis seit sepd sepe sepi sepp sepr seps sept serc serd sere seri serp serr sers sert sesc sese sesi sess sest set- setc sete seti sets sett sicc sice sici sicp sics sidd side sidi sidr sids siec sied sier sies siit sipc sipe sipi sipp sips sipt sirc sire siri sirp sirr sirs sirt sisc sisd sise sisi siss sist sit- sitc sitd site siti sits sitt spcc spcs spdc spde spdp spdr spdt spec sped spee sper spes spet spic spie spip spir spis spit sppd spps sprd spri sprs spsd spse spsp spss spst sptc sptr spts srcc srct srde srec sres sris srpc srps srpt srsd srsp srtp srtr sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sset ssid ssis ssit sspc sspe ssps sspt ssrc ssri ssrs sssc sssi ssss sstc sstd sstp ssts stcc stcp stcs stds stec sted stee step ster stes stet stic stid stie stip stir stis stit stpd stpp stps strc strd stre stri strs stsi stss sttc sttd sttr tccc tcdd tcep tctc tcts tdes tdis tdri tdse tdss tecr tecs tect tedd tede tedi teds teec teed teer tees teet teic teie teip teir teis tepe tepi tepp ter- terc tere teri terp terr ters tesc tesd tese tesp tess test tete teti tetr tets tett ticc tice tics tidc tidd tide tids tie- tied tiee tiei tiep tier ties tiet tiit tip- tipc tipe tipi tipp tips tipt tird tire tiri tirr tirs tise tisi tiss tist titc tite titi titp tits titt tpcd tpcp tpcs tped tper tpir tppd tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tred tree trei tres tret tri- tric trie trip tris trit trpc trpe trpp trps trsd trsi trst trtc trte trtr tscc tscp tsec tses tset tsid tsis tsps tspt tsse tssi tssr tsst tstc tsts ttcp tter ttss tttt

-esti -itis -tree c-p-c c-tec ccccc cccii cccsd ccett cciii ccisd ccitt ccsid cders cdiii cdipt cdisc cdist ceci- cecie cecri ceded ceder cedes cedie cedis cedr- cedre ceede ceere ceese ceipp ceirt ceiss cepci cepes cepet cepic cepie cepii cerc- cerce cerci cercs cerec cered cerer ceres