cccc ccci cccu ccic ccii ccir ccoc ccrc ccri ccrt cctc cctt ccuc ccut cicc cici cico cicr cict cicu ciii ciit ciko cikr cior circ ciri cirk ciro cirr cirt citi cito citt citu ciuc ckck ckco ckoc ckoi ckoo ckor ckot ckrc cock coco coct cocu coir coit cok- coko cook coot cor- corc cori cork coro corr cort cotc coti coto cott cotu couk cour cout crcc crcr cric crik crit criu crkc croc crok croo cror crot crrt crtc cruk crut ctic ctor ctot ctrc cucc cuci cuck cui- cuir cuit cuk- curi curo curr curt cut- cutc cuto cutt iccc icci icco iccr icct iccu icoc icor icrc icrr icrt icru iiii iiio iiit iioi iioo iirc iitr iitt iiuc ikki ikko ikoo ikri ikuo ioci ioii ioio ioit ioko iooi iooo iori ioto ircc ircu iri- iric irio irki iroc irrc irri irti itic itko itoi itoo itor itou itri itto itur iucc iuiu k-ci kccc kcci kcck kccr kcct kccu kcic kcii kcir kcit kciu kckc kckk kcko kckr kcor kcot kcou kcrc kcri kcro kcrr kcrt kcru kctc kcti kcto kctu kcui kcuk kicc kick kicr kict kiic kiii kiik kiit kiiu kikc kiki kikk kiko kikr kikt kiku kioc kioi kiok kioo kiot kiou kirc kiri kirk kiro kirr kirt kiru kitc kiti kito kitr kitt kitu kiur kiuu kkci kkck kkco kkcr kkct kkic kkik kkit kkkk kkoo kkor kkot kkrc kkrk kkro kkrr kkrt kktc kktk kktu kkut kkuu koci kock koct koii koir koit kokc koki kokk koko kokr koku kooc kooi kook kooo koor koot koou korc kori kork koro korr kort koru kotc koti kotk koto kotr kott kotu koui kour kout kouu krcc krci krco krcu krik krio krit krkc krki krkk krko krkr krku kroc kroi krok kroo kror krrc krri krrk krro krrr krrt krtc krti krtk krto krtr kruc krui kruk krur ktcc ktck ktco ktcr ktic ktik ktkc ktkk ktko ktkr ktkt ktku ktoc ktok ktoo ktor ktot ktrc ktri ktrk ktro ktrr ktrt ktru kttc ktti kttk ktto kttr kttt kttu ktuc ktui kucc kuci kuco kucr kuic kuik kuki kukk kuku kuok kuoo kuri kurk kuro kurr kurt kuru kuti kuto kutr kutt kutu kuuk kuur kuuu occc occi occt ocro ocrr oct- octi octo ocur oici oick oiii oiko oirt oitc oiti okcu okic okir okko okok okor okot okro okto okur oocr ooku oooo oort orci orco ori- oric orio orit orko oro- orok oror orot orri orro ortc orto otic otit oto- otok otoo otor otro otti otto ottu otur oucc ouii ouir ouit our- ouro ourt out- outi outo ouu- rccc rcic rctc rcti ricc rick rico rict riki rikk riku riot riou riri riti rito ritt ritu rocc rock roco roik roio roir roit roiu roki rokk roko rokr roku rooi rook roor root rorc rori rork roro rort roru rotc roti rotk roto rotr rott rouk rout rrrr rtcc ruci ruck ruct ruit ruki rukk ruku ruok rurc ruri ruro ruru ruti ruto rutt rutu tccc tccu tctc ticc tick tico tiit tiiu tiki tiko tiku tiou tiri tiro tirr tiru titc titi tito titt titu toci tock toco toit toki toko toku took toor toot torc tori tork toro torr tort toru totc toti toto totr tott toui touk tour tout trcc tri- tric trik trio trit troc troi troo trot trou trtc trtr truc truk trut truu tttt tucc tuck tuco tuik tuit tuiu tuko tuor turc turi turk turo turr turt turu tuti tuto tutt tutu tuuo ucci ucio ucrc ucut uirr ukcc ukko ukok ukrc ukur uocc uor- urci uric urik uriu uro- urok uroo urri uruk urur urut utik utor utri utti utto uttu uuoc uuri uuuu