pipe pipi pipo pipp pips pirc pire piri piro pirr pirs pise pish pisi piso piss pist pite pith piti pito pitr pits pitt poce poch poco pocs poer poes poet pohs poio pois pooh poop poor poos poot pop- popc pope popi popo popp pops popt porc pore pori poro porr pors port pose posh posi poso poss post potc pote poth poti poto pots pott ppcc ppci ppcs pper pphi pphs ppic ppie ppih ppos pppo pppp ppps pprc ppsh ppss ppts pptt prcc prcp prcs pre- prec pree prep pres pret prhs pri- prie prii pris pro- proc proe proo prop pros prot prps prri prrs prsc prse prsi prso prss prtc prti prtp prtr psci psco psec psei pshc pshs psht psip psis psoc psoi psos psph pspi pspp pspr psps psrp pssc psse psso psst psts ptcc pter pths ptop pttc rccc rccs rcep rcet rchs rcic rcis rcos rcpi rcpo rcps rcpt rcsc rcsi rcss rctc rcti rcts recc rece rech reci recp recr recs rect reep rees reet rehe rehi rehs reht reii reir reis reit reop reos reot repe repi repo repp repr reps rept rere reri rero rers rert rese resh resi reso resp ress rest rete reth reti reto retr rets rett rhce rhcp rhee rheo rhes rhet rhhs rhio rhoc rhoh rhos ricc rice rich rico rics rict riep rier ries riet riho rihs riht riis rios riot ripe ripi ripp ripr rips ript rire riri rirs risc rise rish risi riso risp riss rist rite rith riti rito rits ritt rocc roce roch roco rocs roer roes roet rohe rohr rohs roio roir rois roit rooi roop roor roos root rope ropo rops rorc rore rori roro rort rosc rose rosh rosi roso rosp ross rost rotc rote roth roti roto rotr rots rott rpcs rpet rpho rphs rpii rpoe rpos rpps rpts rrhs rrrr rrsp rscc rsch rscs rsee rshs rsis rsos rspo rsps rsre rstp rsts rtcc rtce rtee rtei rtes rths rtps rtss rttp rtts s-ic s-ii s-os sccc scce sccp sccs scct scec scee scep scer scet sch- sche schh schi scho schr schs sci- scic scie scio scip scir scis scit scoh scoo scop scor scot scpe scpi scpo scps scpt scr- scrc scre scri scrs scsc scsh scsi scso scsr scst sctc scto sctr scts se-c se-e se-h se-i se-o se-s se-t sec- secc sece sech seco secr secs sect seec seeh seep seer sees seet sehe sehr sehs seie seih seii seip seir seis seit seoc seoi seop sepe sepi sepo sepp sepr seps sept serc sere seri sero serp serr sers sert sesc sese sesh sesi seso sess sest set- setc sete seth seti seto sets sett shcc shcp she- shee sheh sheo shep sher shes shet shhh shhs shie shih shii shio ship shir shis shit shoe shoo shop shor shos shot shps shpt shre shri shrp shrs shsc shts sicc sice sich sici sico sicp sics siec sier sies sihi sihr sihs siht siit sioe siop sior sios siot sipc sipe sipi sipo sipp sips sipt sirc sire siri siro sirp sirr sirs sirt sisc sise sish sisi siss sist sit- sitc site sith siti sito sits sitt soce soch soci soco socr socs soec soeo soep soes sohh soho sohp sohs soic soie soir sois soit soop soor soos soot sope soph sopi sopo sopp sops sore sorh sori soro sorr sors sort sose sosh sosi soso soss sost sotc sote soth soto sotp sots spcc spco spcs spec spee sper spes spet sphr sphs spht spic spie spio spip spir spis spit spoc spoo spop spor spos spot spps spri spro sprs spse spso spsp spss spst sptc spto sptr spts srcc srch srct srec sreo sres srhs sris sros srpc srps srpt srsp srtp srtr sscc ssce ssci sscp sscs ssec ssee ssep sses sset sshs ssis ssit ssoc ssop ssot sspc sspe sspo ssps sspt ssrc ssri ssrs sssc sssh sssi ssss sstc ssth sstp ssts stcc stch stcp stcs stec stee steo step ster stes stet sths stic stie stih stio stip stir stis stit stoe stoo stop stor stos stot stpp stps strc stre stri stro strs stsi stss sttc sttr tccc tcep tch- tche tchh tchi tcho tchp tchr tchs tcos tcpo tcsh tctc tcts tech teco tecr tecs tect teec teer tees teet tehi teho tehr teic teie teip teir teis teoh teor teos tepe tepi tepp ter- terc tere teri tero terp terr ters tesc tese tesh teso tesp tess test tete teth teti teto tetr tets tett thch the- thec thee thei theo thep ther thes thet thhp thi- thic thie thio thir this thoe thoo thor thos thot thpp thre thri thro thse thsr thss thtr thts ticc tice tich tico tics tie- tiee tiei tieo tiep tier ties tiet tiht tiit tiop tios tip- tipc tipe tipi tipo tipp tips tipt tire tiri tiro tirr tirs tise tish tisi tiso tiss tist titc tite tith titi tito titp tits titt toce toch toci toco toee toeh toei toer toes toet tohi toho toie tois toit tooh toor toos toot top- tope toph topi topo topp tops topt torc tore tori toro torp torr tors tort tosc tose tosh tosi toso toss tost totc tote toth toti toto totr tots tott tpcp tpcs tper tphs tpir tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tree trei treo tres tret trhs tri- tric trie trio trip tris trit troc troe troi troo trop tros trot trpc trpe trpp trps trsi trst trtc trte trtr tscc tscp tsec tses tset tshe tshi tshs tsis tsoi tsop tsos tspo tsps tspt tsse tssi tssr tsst tstc tsts ttcp tteo tter ttoe ttop ttss tttt

-esti -itis -tree c-cor c-p-c c-pop c-tec ccccc cccii ccett cciii ccitt cech ceche cechi cecht ceci- cecie ceco- cecos cecri ceere ceese ceipp ceirt ceiss ceoce ceoor ceose cepci cepes cepet cepic cepie