isps isri isrp issc issh issi isso issp issr isss istc isth isti isto istp istr ists itch itcs ithc iths itic itis itoh itoi itoo itor itos itpc itri itrs itsi itso itsp itto occc occi occt ochi ochs ocht ocis ocos ocpp ocro ocrr ocrs oct- octi octo octs ohcc ohhi ohho ohhs ohio ohis ohoh ohos ohso ohss ohto oici oiii oios oipc oirt oisc oist oitc oiti oocr ooho oohs oooh oooo ooos oops oort oosi oost ootp oots ophi ophs opic opii opio opis opit opo- opor opos oppi oppo opps opsi opti opto opts orch orci orco orcs orhs ori- oric orio oris orit oro- oror oros orot orpc orph orpi orps orri orro orrs orsi orso ortc orth orto orts oscc osci osco oshc oshi osho oshp oshs osii osip osis osoi osoo osor osos osro ossi osso ostc osti ostr osts otho othr oths otic otis otit oto- otoh otoo otor otos otpp otro otrs otso otti otto otts pccc pccs pchp pchs pcip pcos pcpp pcps pcrc pcso pcts phcc phhs phht phi- phip phis phit phoh phoo phos phot phrr phrs phsc picc pich pici pico picr pics pict piip piot pipi pipo pipp pips pirc piri piro pirr pirs pish pisi piso piss pist pith piti pito pitr pits pitt poch poco pocs pohs poio pois pooh poop poor poos poot pop- popc popi popo popp pops popt porc pori poro porr pors port posh posi poso poss post potc poth poti poto pots pott ppcc ppci ppcs pphi pphs ppic ppih ppos pppo pppp ppps pprc ppsh ppss ppts pptt prcc prcp prcs prhs pri- prii pris pro- proc proo prop pros prot prps prri prrs prsc prsi prso prss prtc prti prtp prtr psci psco pshc pshs psht psip psis psoc psoi psos psph pspi pspp pspr psps psrp pssc psso psst psts ptcc pths ptop pttc rccc rccs rchs rcic rcis rcos rcpi rcpo rcps rcpt rcsc rcsi rcss rctc rcti rcts rhcp rhhs rhio rhoc rhoh rhos ricc rich rico rics rict riho rihs riht riis rios riot ripi ripp ripr rips ript riri rirs risc rish risi riso risp riss rist rith riti rito rits ritt rocc roch roco rocs rohr rohs roio roir rois roit rooi roop roor roos root ropo rops rorc rori roro rort rosc rosh rosi roso rosp ross rost rotc roth roti roto rotr rots rott rpcs rpho rphs rpii rpos rpps rpts rrhs rrrr rrsp rscc rsch rscs rshs rsis rsos rspo rsps rstp rsts rtcc rths rtps rtss rttp rtts s-ic s-ii s-os sccc sccp sccs scct sch- schh schi scho schr schs sci- scic scio scip scir scis scit scoh scoo scop scor scot scpi scpo scps scpt scr- scrc scri scrs scsc scsh scsi scso scsr scst sctc scto sctr scts shcc shcp shhh shhs shih shii shio ship shir shis shit shoo shop shor shos shot shps shpt shri shrp shrs shsc shts sicc sich sici sico sicp sics sihi sihr sihs siht siit siop sior sios siot sipc sipi sipo sipp sips sipt sirc siri siro sirp sirr sirs sirt sisc sish sisi siss sist sit- sitc sith siti sito sits sitt soch soci soco socr socs sohh soho sohp sohs soic soir sois soit soop soor soos soot soph sopi sopo sopp sops sorh sori soro sorr sors sort sosh sosi soso soss sost sotc soth soto sotp sots spcc spco spcs sphr sphs spht spic spio spip spir spis spit spoc spoo spop spor spos spot spps spri spro sprs spso spsp spss spst sptc spto sptr spts srcc srch srct srhs sris sros srpc srps srpt srsp srtp srtr sscc ssci sscp sscs sshs ssis ssit ssoc ssop ssot sspc sspo ssps sspt ssrc ssri ssrs sssc sssh sssi ssss sstc ssth sstp ssts stcc stch stcp stcs sths stic stih stio stip stir stis stit stoo stop stor stos stot stpp stps strc stri stro strs stsi stss sttc sttr tccc tch- tchh tchi tcho tchp tchr tchs tcos tcpo tcsh tctc tcts thch thhp thi- thic thio thir this thoo thor thos thot thpp thri thro thsr thss thtr thts ticc tich tico tics tiht tiit tiop tios tip- tipc tipi tipo tipp tips tipt tiri tiro tirr tirs tish tisi tiso tiss tist titc tith titi tito titp tits titt toch toci toco tohi toho tois toit tooh toor toos toot top- toph topi topo topp tops topt torc tori toro torp torr tors tort tosc tosh tosi toso toss tost totc toth toti toto totr tots tott tpcp tpcs tphs tpir tppp tppr tprs tpsc tptp tptr trcc trhs tri- tric trio trip tris trit troc troi troo trop tros trot trpc trpp trps trsi trst trtc trtr tscc tscp tshi tshs tsis tsoi tsop tsos tspo tsps tspt tssi tssr tsst tstc tsts ttcp ttop ttss tttt

-itis c-cor c-p-c c-pop ccccc cccii cciii ccitt chich chico chics chiho chio- chios chiot chips chir- chiri chiro chirp chirr chirs chirt chist chiti chito chits choco chocs choir choop choor chopi chops chopt chor- choro chors chort choss chost choti chott chric chris cicho cicis cipco cippi cipro circo circs ciric cirio ciris cirr- cirri cirro cirs- cirth cisco cispp cispr cists citr- citro co-co co-op cocc- cocci cocco cocio cocir cocos cocto cohit cohoo cohos cohrs cohst coips coiro coirs coist cooch coops coopt coors coost cooth coots copic copii copir copit copos coppi coppo copps copr- copro copsi copto copts corio coris coro- coroi corop corot corps corri corrs corsi corso corss corti corto corts cosch cosco coshh cosic cosio cost- costi costo costs cotch cotos cotso cott- cotto cotts cpctc cphos cphpc crich crics crio- crips cript crisp criss crist crith crito crits croci croco crocs crois croop croos croot cropc cropo crops cross crost croth crots crott cspot cspro csprs cssii cssip cstcc ctrip cttoi h-cho h-tcp hcooh hhhhh hi-hi hicht hihos