cccc ccci cccs ccic ccii ccir ccis ccoc ccrc ccri ccrs ccrt ccsi ccss ccst cctc cctt cicc cici cico cicr cics cict ciii ciis ciit ciko cikr cior cios circ ciri cirk ciro cirr cirs cirt cis- cisc cisk cisr ciss cist citi cito cits citt ckck ckco ckcs ckoc ckoi ckoo ckor ckos ckot ckrc ckso ckst ckts cock coco coct coir cois coit cok- coko cook coos coot cor- corc cori cork coro corr cors cort cosc cosi coso coss cost cotc coti coto cots cott crcc crcr cric crik cris crit crkc croc crok croo cror crot crrt crss crst crtc crts cscc csci csco cscr cscs csik csio csir csis csit csks csor csos csot csrc csrs cssr cstc csto cstr csts ctic ctor ctos ctot ctrc ctrs ctsc ctss ctts iccc icci icco iccr iccs icct icis icks icoc icor icos icrc icrr icrs icrt icsc icsi icsr icss icst icts iiii iiio iiis iiit iioi iioo iios iirc iirs iisc iisi iisr iist iitr iitt ikki ikko ikoo ikri ioci ioii ioio ioit ioko iooi iooo ioos iori iors ioso ioto ircc ircs iri- iric irio iris irki irks iroc irrc irri irrs irti irts iscc isci isco iscr iscs isct isic isis isit isko iso- isoc isok isor isos isri issc issi isso issr isss istc isti isto istr ists itcs itic itis itko itoi itoo itor itos itri itrs itsi itso itto k-ci k-os kccc kcci kcck kccr kcct kcic kcii kcir kcis kcit kckc kckk kcko kckr kcor kcos kcot kcrc kcri kcro kcrr kcrs kcrt kcsc kcsi kcsr kcss kcst kctc kcti kcto kicc kick kicr kics kict kiic kiii kiik kiis kiit kikc kiki kikk kiko kikr kikt kioc kioi kiok kioo kiot kirc kiri kirk kiro kirr kirs kirt kisc kisi kisk kiso kisr kiss kist kitc kiti kito kitr kits kitt kkci kkck kkco kkcr kkcs kkct kkic kkik kkit kkkk kkoo kkor kkot kkrc kkrk kkro kkrr kkrs kkrt kksi kksr kkss kkst kktc kktk kkts koci kock kocs koct koii koir koit kokc koki kokk koko kokr koks kooc kooi kook kooo koor koos koot korc kori kork koro korr kors kort kos- kosc kosi koso kosr koss kost kotc koti kotk koto kotr kots kott krcc krci krco krcs krik krio kris krit krkc krki krkk krko krkr krks kroc kroi krok kroo kror kros krrc krri krrk krro krrr krrs krrt krsc krsk krsr krss krst krtc krti krtk krto krtr krts ksci ksck ksco kscr kscs ksii ksik ksir ksis ksit kskk ksko kskr ksks ksoc ksoi ksok ksoo ksor ksos ksro ksrr ksrs ksrt kssi ksso kssr ksss ksst kstc ksti kstk ksto kstr ksts kstt ktcc ktck ktco ktcr ktcs ktic ktik ktis ktkc ktkk ktko ktkr ktks ktkt ktoc ktok ktoo ktor ktot ktrc ktri ktrk ktro ktrr ktrs ktrt ktsc ktso ktsr ktst kttc ktti kttk ktto kttr ktts kttt occc occi occt ocis ocks ocos ocro ocrr ocrs oct- octi octo octs oici oick oiii oiko oiks oios oirt oisc oist oitc oiti okic okir okko okok okor okot okro oksi okso okto oocr oooo ooos oort oosi oost oots orci orco orcs ori- oric orio oris orit orko oro- orok oror oros orot orri orro orrs orsi orsk orso ortc orto orts oscc osci osco osii osik osis oski osoi osoo osor osos osro ossi osso ostc osti ostr osts otic otis otit oto- otok otoo otor otos otro otrs otso otti otto otts rccc rccs rcic rcis rcos rcsc rcsi rcss rctc rcti rcts ricc rick rico rics rict riis riki rikk rios riot riri rirs risc risi risk riso riss rist riti rito rits ritt rkos rkss rkts rocc rock roco rocs roik roio roir rois roit roki rokk roko rokr roks rooi rook roor roos root rorc rori rork roro rort rosc rosi roso ross rost rotc roti rotk roto rotr rots rott rrrr rscc rscs rsis rsos rsts rtcc rtss rtts s-ic s-ii s-os sccc sccs scct sci- scic scio scir scis scit sck- scok scoo scor scot scr- scrc scri scrs scsc scsi scso scsr scst sctc scto sctr scts sicc sici sick sico sics siik siit siki siko sikr siks sior sios siot sirc siri sirk siro sirr sirs sirt sisc sisi sisk siss sist sit- sitc siti sito sits sitt skic skik skio skir skis skit skor skot skrt skss soci sock soco socr socs soic soik soir sois soit soki sokk soko sook soor soos soot sori soro sorr sors sort sosi soso soss sost sotc sotk soto sots srcc srct sris sros srtr sscc ssci sscs ssis ssit ssoc ssot ssrc ssri ssrs sssc sssi ssss sstc ssts stcc stcs stic stik stio stir stis stit stks stok stoo stor stos stot strc stri strk stro strs stsi stss sttc sttr tccc tcos tctc tcts ticc tick tico tics tiit tiki tiko tios tiri tiro tirr tirs tisi tiso tiss tist titc titi tito tits titt tkos tkts toci tock toco tois toit toki toko took toor toos toot torc tori tork toro torr tors tort tosc tosi tosk toso toss tost totc toti toto totr tots tott trcc tri- tric trik trio tris trit troc troi troo tros trot trsi trst trtc trtr tscc tsis tsks tsoi tsos tssi tssr tsst tstc tsts ttss tttt