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 cisy citi cito cits citt city ckck ckco ckcs ckcy ckoc ckoi ckoo ckor ckos ckot ckoy ckrc ckry ckso ckst ckts ckty cock coco coct coir cois coit cok- coko coky cook coos coot cor- corc cori cork coro corr cors cort cory cosc cosi coso coss cost cosy cotc coti coto cots cott coty coyo coyr coys coyt crcc crcr cric crik cris crit crkc croc crok croo cror crot croy crrt crss crst crtc crts cry- cryo crys cscc csci csco cscr cscs csik csio csir csis csit csks csor csos csot csrc csrs cssr cstc csto cstr csts csys ctic ctor ctos ctot ctrc ctrs ctsc ctss ctts cyc- cycc cycs cyrk cyrs cyrt cyst cyt- cyto cyy- cyyc iccc icci icco iccr iccs icct icis icks icky icoc icor icos icrc icrr icrs icrt icry icsc icsi icsr icss icst icts iiii iiio iiis iiit iioi iioo iios iirc iirs iisc iisi iisr iist iitr iitt ikki ikko ikky ikoo ikri ioci ioii ioio ioit ioko iooi iooo ioos iori iors ioso ioto ircc ircs iri- iric irio iris iriy 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 issy istc isti isto istr ists isty isys itcs itic itis itko itoi itoo itor itos itri itrs itry itsi itso itsy itto itty iyos k-ci k-os kccc kcci kcck kccr kcct kccy kcic kcii kcir kcis kcit kckc kckk kcko kckr kcky kcor kcos kcot kcrc kcri kcro kcrr kcrs kcrt kcry kcsc kcsi kcsr kcss kcst kcsy kctc kcti kcto kcty kcyk kcys kcyt kcyy kicc kick kicr kics kict kicy 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 kisy kitc kiti kito kitr kits kitt kity kiyi kiyk kiys kkci kkck kkco kkcr kkcs kkct kkcy kkic kkik kkit kkkk kkoo kkor kkot kkoy kkrc kkrk kkro kkrr kkrs kkrt kksi kksr kkss kkst kktc kktk kkts kkty kkyc kkys kkyy koci kock kocs koct koii koir koit kokc koki kokk koko kokr koks koky kooc kooi kook kooo koor koos koot korc kori kork koro korr kors kort kos- kosc kosi koso kosr koss kost kosy kotc koti kotk koto kotr kots kott koty koyo koyt koyy krcc krci krco krcs krik krio kris krit krkc krki krkk krko krkr krks krky kroc kroi krok kroo kror kros kroy krrc krri krrk krro krrr krrs krrt krry krsc krsk krsr krss krst krsy krtc krti krtk krto krtr krts krty kryk kryo kryy ksci ksck ksco kscr kscs kscy ksii ksik ksir ksis ksit ksiy kskk ksko kskr ksks ksky ksoc ksoi ksok ksoo ksor ksos ksro ksrr ksrs ksrt ksry kssi ksso kssr ksss ksst kstc ksti kstk ksto kstr ksts kstt ksty ksyc ksyr ksyy ktcc ktck ktco ktcr ktcs ktcy ktic ktik ktis ktkc ktkk ktko ktkr ktks ktkt ktoc ktok ktoo ktor ktot ktoy ktrc ktri ktrk ktro ktrr ktrs ktrt ktry ktsc ktso ktsr ktst ktsy kttc ktti kttk ktto kttr ktts kttt ktty ktyr kycc kyck kycr kycs kyct kyis kykc kykk kykr kyks kyky kyok kyoo kyor kyos kyot kyoy kyrc kyrk kyro kyrs kysc kysk kysr kyst kytc kyti kyto kyts kytt kyty kyyi kyyk kyyo kyys kyyt kyyy occc occi occt ocis ocks ocos ocro ocrr ocrs oct- octi octo octs octy ocys oici oick oiii oiko oiks oios oirt oiry oisc oist oitc oiti okic okir okko okok okor okot okro oksi okso okto okyo oocr ooky oooo ooos oort oory oosi oost oots ooty orci orco orcs ori- oric orio oris orit orko oro- orok oror oros orot oroy orri orro orrs orry orsi orsk orso orsy ortc orto orts orys oscc osci osco osii osik osis oski osoi osoo osor osos osro ossi osso ossy ostc osti ostr osts osyt otic otis otit oto- otok otoo otor otos otoy otro otrs otry otso otti otto otts otyr oyri oyss oyst rccc rccs rcic rcis rcos rcsc rcsi rcss rctc rcti rcts rcyc ricc rick rico rics rict riis riki rikk rios riot riri rirs risc risi risk riso riss rist riti rito rits ritt riyo rkos rkss rkts rocc rock roco rocs roik roio roir rois roit roki rokk roko rokr roks roky rooi rook roor roos root rorc rori rork roro rort rory rosc rosi roso ross rost rosy rotc roti rotk roto rotr rots rott roty roys royt rrrr rscc rscs rscy rsis rsos rsts rtcc rtss rtts ryck ryis ryki ryot rysy rytt ryyt s-ic s-ii s-os sccc sccs scct sccy sci- scic scio scir scis scit sck- scok scoo scor scot scr- scrc scri scrs scry 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 sisy sit- sitc siti sito sits sitt sity siyi skic skik skio skir skis skit skor skot skrt skss sky- skyr skys skyy soci sock soco socr socs socy soic soik soir sois soit soki sokk soko sook soor soos soot sooy sori soro sorr sors sort sory sosi soso soss sost sotc sotk soto sots soyo soys soyt 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 stoy strc stri strk stro strs stry stsi stss sttc sttr styk styr stys syck syco sycr