cccc ccci cccv ccic ccii ccir cciv ccoc ccrc ccri ccrt cctc cctt cctv ccvi ccvo cicc cici cico cicr cict ciii ciit ciko cikr cior circ ciri cirk ciro cirr cirt citi cito citt citv civc civo ckck ckco ckcv ckoc ckoi ckoo ckor ckot ckrc ckvo cock coco coct coir coit cok- coko cook coot cor- corc cori cork coro corr cort cotc coti coto cott covo crcc crcr cric crik crit crkc croc crok croo cror crot crrt crtc crtv ctic ctor ctot ctrc ctvo ctvt cvcc cvii cvrr iccc icci icco iccr icct icoc icor icrc icrr icrt ictv iiii iiio iiit iioi iioo iirc iitr iitt ikki ikko ikoo ikri ioci ioii ioio ioit ioko iooi iooo iori ioto ircc iri- iric irio irki iroc irov irrc irri irti itic itko itoi itoo itor itri itto ivic ivor k-ci kccc kcci kcck kccr kcct kccv kcic kcii kcir kcit kciv kckc kckk kcko kckr kckv kcor kcot kcrc kcri kcro kcrr kcrt kcrv kctc kcti kcto kctv kcvi kcvk kcvo kcvr kcvv kicc kick kicr kict kiic kiii kiik kiit kikc kiki kikk kiko kikr kikt kioc kioi kiok kioo kiot kirc kiri kirk kiro kirr kirt kirv kitc kiti kito kitr kitt kitv kivi kkci kkck kkco kkcr kkct kkic kkik kkit kkkk kkoo kkor kkot kkov kkrc kkrk kkro kkrr kkrt kkrv kktc kktk kktv kkvr kkvt kkvv koci kock koct koii koir koit koiv kokc koki kokk koko kokr kooc kooi kook kooo koor koot koov korc kori kork koro korr kort korv kotc koti kotk koto kotr kott kotv kovc kovi kovk kovo kovr krcc krci krco krik krio krit kriv krkc krki krkk krko krkr krkv kroc kroi krok kroo kror krov krrc krri krrk krro krrr krrt krtc krti krtk krto krtr krtv krvc krvi krvk krvo krvr krvv ktcc ktck ktco ktcr ktcv ktic ktik ktiv ktkc ktkk ktko ktkr ktkt ktoc ktok ktoo ktor ktot ktrc ktri ktrk ktro ktrr ktrt ktrv kttc ktti kttk ktto kttr kttt kttv ktvc ktvi ktvk ktvo ktvr ktvt kvcc kvci kvck kvco kvcr kvct kvcv kvic kvik kvir kvit kviv kvoc kvoi kvok kvoo kvor kvot kvov kvrc kvri kvro kvrr kvrv kvti kvtk kvto kvtr kvtt kvtv kvvr kvvv occc occi occt ocro ocrr oct- octi octo oici oick oiii oiko oirt oitc oiti okic okir okko okok okor okot okro okto oocr oooo oort orci orco ori- oric orio orit orko oro- orok oror orot orri orro ortc orto orvr otic otit oto- otok otoo otor otov otro otti otto ovi- ovo- ovoo ovot rccc rcic rctc rcti rctv rcvr ricc rick rico rict riki rikk riot riri riti rito ritt rivo rocc rock roco roik roio roir roit roki rokk roko rokr rooi rook roor root rorc rori rork roro rort rotc roti rotk roto rotr rott rovi rovo rrrr rtcc rtvi rv-c rvik tccc tcov tctc ticc tick tico tiit tiki tiko tiri tiro tirr titc titi tito titt tivi tivo toci tock toco toit toki toko took toor toot torc tori tork toro torr tort torv totc toti toto totr tott tovo trcc tri- tric trik trio trit troc troi troo trot trtc trtr tttt tvri tvro tvrr tvtv vcci vic- vici vick vico vict viii viik viki viko virc viri virk viro virr virt viti vito vitt vivi vivo vkor voic voio voir voit vooc voor voot vor- vori voro vort voto vovk vrci vrio vroc vrot vrto vt-i vvvv