ircc ircs irhs iri- iric irio iris iroc iroh irrc irri irrs irsf irtf irti irts iscc isch isci isco iscr iscs isct isfc ishi ishr ishs isic isis isit iso- isoc isof isor isos isri issc issf issh issi isso issr isss istc isth isti isto istr ists itch itcs ithc iths itic itif itis itof itoh itoi itoo itor itos itrf itri itrs itsf itsi itso ittf itto occc occi occt ochi ochs ocht ocis ocos ocro ocrr ocrs oct- octi octo octs ofcr off- offc offh offo offr offs ofit ofor ofst ohcc ohhi ohho ohhs ohif ohio ohis ohoh ohos ohso ohss ohto oici oiii oios oirt oisc oist oitc oiti oocr ooff oofs ooho oohs oooh oooo ooos oort oosi oost oots orch orci orco orcs orff orfi orfs orhs ori- oric orif orio oris orit oro- orof oror oros orot orri orro orrs orsi orso ortc orth orto orts oscc osci osco oshc oshi osho oshs osii osis osoi osoo osor osos osro ossi osso ostc osti ostr osts otfc otho othr oths otic otif otis otit oto- otof otoh otoo otor otos otro otrs otso otti otto otts rccc rccs rcfc rchs rcic rcis rcos rcsc rcsi rcss rctc rcti rcts rffc rfhs rfic rftc rhfs rhhs rhio rhoc rhoh rhos ricc rich rico rics rict riff rifs rift riho rihs riht riif riis rios riot riri rirs risc rish risi riso riss rist rith riti rito rits ritt rocc roch roco rocs rofc roff rofo rohr rohs roif roio roir rois roit roof rooi roor roos root rorc rori roro rort rosc rosh rosi roso ross rost rotc roth roti roto rotr rots rott rrfc rrhs rrif rrrr rscc rsch rscs rsfc rshs rsis rsos rsts rtcc rtfc rths rtss rtts s-ic s-ii s-os sccc sccs scct scfc scfi sch- schh schi scho schr schs sci- scic scif scio scir scis scit scoh scoo scor scot scr- scrc scri scrs scsc scsh scsi scso scsr scst sctc scto sctr scts sfcc sfco sfcs sffc sfhs sfio sfor sfos sfrc sfro sfss sfts shcc shft shhh shhs shih shii shio shir shis shit shof shoo shor shos shot shri shrs shsc shts sicc sich sici sico sics siff sifo sifr sift sihi sihr sihs siht siit sior sios siot sirc sirf siri siro sirr sirs sirt sisc sish sisi siss sist sit- sitc sith siti sito sits sitt soch soci soco socr socs sofi sofo soft sohh soho sohs soic soif soir sois soit soof soor soos soot sorh sori soro sorr sors sort sosh sosi soso soss sost sotc soth soto sots srcc srch srct srfc srfi srhs sris sros srtr sscc ssci sscs ssfc sshs ssis ssit ssoc ssot ssrc ssri ssrs sssc sssf sssh sssi ssss sstc ssth ssts stcc stch stcs stfc sths stic stif stih stio stir stis stit stof stoo stor stos stot strc stri stro strs stsf stsi stss sttc sttr tccc tcfc tch- tchh tchi tcho tchr tchs tcos tcsh tctc tcts tfot tfrs tfsi tfss tftc thch thi- thic thif thio thir this thof thoo thor thos thot thri thro thsr thss thtr thts ticc tich tico tics tiff tifo tift tiht tiit tios tiri tiro tirr tirs tish tisi tiso tiss tist titc tith titi tito tits titt toch toci toco toff tofi tofo toft tohi toho tois toit toof tooh toor toos toot torc torf tori toro torr tors tort tosc tosh tosi toso toss tost totc toth toti toto totr tots tott trcc trfc trfr trhs tri- tric trif trio tris trit troc troi troo tros trot trsi trst trtc trtr tscc tsfc tshi tshs tsis tsoi tsos tssf tssi tssr tsst tstc tsts ttfc ttff ttss tttt

-itis c-cor c-fos ccccc cccii ccifc cciii ccitt cfhof chich chico chics chiho chio- chios chiot chir- chiri chiro chirr chirs chirt chist chiti chito chits choco chocs choff choir choof choor chor- choro chors chort choss chost choti chott chric chris cicho cicis cifft circo circs ciric cirio ciris cirr- cirri cirro cirs- cirth cisco cists citr- citro co-co cocc- cocci cocco cocio cocir cocos cocto coffs cofio cofir cohit cohoo cohos cohrs cohsf cohst coifi coifs coiro coirs coist cooch coofs coors coost cooth coots corfo corio coris coro- coroi corot corri corrs corsi corso corss corti corto corts cosch cosco coshh cosic cosio cost- costi costo costs cotch cotos cotso cott- cotto cotts crich crics crio- criss crist crith crito crits croci croco crocs croft crois croos croot cross crost croth crots crott cssii cstcc cttoi fcsts fhchs ficco fich- fifth fiori firit firos first firth fisch fisco fiscs fisho fisic fissi fisto fists fitch fitho fitit fitof fitor fitri fitto fitts fochs focht focis fofos foios foir- foist footi foots forch forio forit foros forro forso forss forst forth forti forto forts fosco fotch fotos frcsc frico friis frios friso friss frist frith frito frits fritt froit froot frosh frost froth frots frsch ftrtt h-cho hcooh hhhhh hi-fi hi-hi hicht hifis hihos hiisi hirch hiroi hiroo hiros hirsh hirst hirth hirts hisco hisis hisor hissi hisss hist- histi histo hists hitch hitit hitof hitor hitto ho-ho ho-oh hocco hochi hoffs hofii hofit hohos hohot hoiss hoist hooch hoofs hooft hoori hoors hoort hoosh hoost hoots horch horii horio horos horro horst horth horti horto hosch hoshi hosho hosoi hosts hostt hotch hothr hoths hotis hotot hotto hrhis hroch hross hthrt ichhi ichor icici icist icos- icosi icscc ictic ictis if-- iffhs ifisc ifish ifits ifrit ifttt ihhof iiiii iiris iisir iitti ioooi ioooo iorio iosco iotic iotit iotti ircii irico irios iris- irish iriss irocs irori irrit irsch irshi irssi is-is iscor iscos iscsi isfic isfit isfor ishii ishis ishof ishot ishti isios isiro isisi isiti isits isitt isoff isoft isshi issor isssc istic istoc istoo itfit itfor ithot itics itisi itiso itoff itoss itsit itsof itsso itsto ittoo ittti occii ocftc ochos ochro ocros octic octo- octor octos