cccc ccci cccp cccs cccv ccic ccii ccip ccir ccis cciv ccoc ccpp ccpr ccps ccrc ccri ccrp ccrs ccsi ccsp ccss ccvi ccvo ccvs cicc cici cico cicr cics ciii ciis ciko cikr cior cios cipo cipp cips circ ciri cirk ciro cirr cirs cis- cisc cisk cisp cisr ciss cisv civc civo ckck ckco ckcs ckcv ckoc ckoi ckoo ckor ckos ckpc ckpr ckrc ckso ckvo cock coco cocp coip coir cois cok- coko cook coop coos copi copo copp copr cops cor- corc cori cork coro corp corr cors cosc cosi coso cosp coss covo cpcs cpic cpio cpos cpps cpri cprs cpsc cpsk cpso cpsr cpvc crcc crcr cric crik crip cris crkc crkp croc crok croo crop cror crpc crps crsp crss cscc csci csco cscr cscs csik csio csir csis csks csor csos cspc cspi csps csrc csrs cssr cvcc cvii cvrr cvss iccc icci icco iccp iccr iccs icis icks icoc icor icos icpc icpo icps icrc icrr icrs icsc icsi icsp icsr icss iiii iiio iiis iioi iioo iiop iios iirc iirs iisc iisi iisp iisr ikki ikko ikoo ikri ioci iocp ioii ioio ioko iooi iooo ioos iops iori iors ioso ipcc ipcs ipko ipop ipos ippc ippo ippr ipri ipsc ipsi ipso ipsp ipss ipvs ircc ircs iri- iric irio irip iris irki irks iroc irop irov irpc irps irrc irri irrs irsp irvs iscc isci isco iscp iscr iscs isic isis isko iso- isoc isok isop isor isos ispc ispr isps isri isrp issc issi isso issp issr isss ivic ivor ivrs k-ci k-os kccc kcci kcck kccr kccv kcic kcii kcir kcis kciv kckc kckk kcko kckr kckv kcor kcos kcpc kcpi kcpo kcpr kcps kcrc kcri kcro kcrp kcrr kcrs kcrv kcsc kcsi kcsp kcsr kcss kcvi kcvk kcvo kcvp kcvr kcvs kcvv kicc kick kicp kicr kics kiic kiii kiik kiip kiis kikc kiki kikk kiko kikr kioc kioi kiok kioo kip- kipi kipo kipp kipr kips kirc kiri kirk kiro kirp kirr kirs kirv kisc kisi kisk kiso kisr kiss kisv kivi kkci kkck kkco kkcr kkcs kkic kkik kkkk kkoo kkor kkov kkpc kkpk kkps kkrc kkrk kkro kkrr kkrs kkrv kksi kksp kksr kkss kkvr kkvv koci kock kocp kocs koii koir koiv kokc koki kokk koko kokp kokr koks kooc kooi kook kooo koop koor koos koov kopi kopp kopr kops korc kori kork koro korr kors korv kos- kosc kosi koso kosp kosr koss kovc kovi kovk kovo kovr kpcc kpcr kpcs kpcv kpir kpkk kpkr kpoc kpok kpoo kpop kppc kppk kppo kppp kppr kppv kprc kpri kprk kpro kprp kprr kprs kprv kpsc kpsi kpso kpsp kpvc kpvr kpvs krcc krci krco krcs krik krio kris kriv krkc krki krkk krko krkr krks krkv kroc kroi krok kroo krop kror kros krov krpi krpr krps krrc krri krrk krro krrr krrs krsc krsk krsr krss krsv krvc krvi krvk krvo krvr krvs krvv ksci ksck ksco kscr kscs kscv ksii ksik ksip ksir ksis ksiv kskk ksko kskr ksks ksoc ksoi ksok ksoo ksop ksor ksos kspc kspi kspk kspo kspr ksps ksro ksrp ksrr ksrs ksrv kssi ksso kssr ksss ksvc ksvi ksvp ksvr kvcc kvci kvck kvco kvcr kvcs kvcv kvic kvik kvip kvir kvis kviv kvoc kvoi kvok kvoo kvop kvor kvov kvpi kvps kvrc kvri kvro kvrp kvrr kvrv kvsc kvsi kvso kvsp kvsr kvss kvsv kvvp kvvr kvvs kvvv occc occi ocis ocks ocos ocpp ocro ocrr ocrs oici oick oiii oiko oiks oios oipc oisc okic okir okko okok okor okpo okro oksi okso oocr oooo ooos oops oosi opic opii opio opis opo- opor opos oppi oppo opps opsi orci orco orcs ori- oric orio oris orko oro- orok oror oros orpc orpi orps orri orro orrs orsi orsk orso orvr orvs oscc osci osco osii osik osip osis oski osoi osoo osor osos osov osro ossi osso ovcs ovi- ovis ovo- ovoo ovpp pccc pccs pcip pcks pcos pcpp pcps pcrc pcso picc pici pick pico picr pics piip piki pikk piko piks pipi pipo pipp pips pirc piri pirk piro pirr pirs pisi pisk piso piss pivo pkcs pock poco pocs poik poio pois poko pook poop poor poos pop- popc popi popo popp pops porc pori pork poro porr pors posi posk poso poss povo povs ppcc ppci ppcs ppic ppos pppo pppp ppps pprc ppss prcc prcp prcs pri- prii pris priv pro- proc proo prop pros prov prps prri prrs prsc prsi prso prss prsv psci psco psip psis psoc psoi psos psov pspi pspp pspr psps psrk psrp pssc psso pvco pvcs rccc rccs rcic rcis rcos rcpi rcpo rcps rcsc rcsi rcss rcvr rcvs ricc rick rico rics riis riki rikk rios ripi ripp ripr rips riri rirs risc risi risk riso risp riss rivo rivp rivs rkos rkss rksv rocc rock roco rocs roik roio roir rois roki rokk roko rokr roks rooi rook roop roor roos ropo rops rorc rori rork roro rosc rosi roso rosp ross rovi rovo rovs rpcs rpii rpos rpps rrrr rrsp rscc rscs rsis rsos rspk rspo rsps rsvp rv-c rvik rvsp s-ic s-ii s-iv s-os sccc sccp sccs sci- scic scio scip scir scis sciv sck- scok scoo scop scor scpi scpo scps scr- scrc scri scrs scsc scsi scso scsr scvp sicc sici sick sico sicp sics siik siki siko sikr siks siop sior sios sipc sipi sipo sipp sips sirc siri sirk siro sirp sirr sirs sisc sisi sisk siss sivi skic skik skio skip skir skis skiv skop skor skov skpc skpo skss soci sock soco socr socs soic soik soir sois soki sokk soko sook soop soor soos sopi sopo sopp sops sori soro sorr sors sosi soso soss sosv sovo sovs spcc spco spcs spic spik spio spip spir spis spiv spkr spoc spok spoo spop spor spos spps spri spro sprs spso spsp spss srcc sris sros srpc srps srsp sscc