cccc ccci cccp cccu ccic ccii ccip ccir ccpp ccpr ccrc ccri ccrp ccrt cctc cctt ccuc ccup ccut cicc cici cicr cict cicu ciii ciit cikr cipp circ ciri cirk cirr cirt citi citp citt citu ciuc ciup ckck ckpc ckpr ckrc cpcu cpic cpri cprt cptp cptr crcc crcr cric crik crip crit criu crkc crkp crpc crrt crtc crtp cruk crup crut ctcp ctic ctpp ctrc ctrp cucc cuci cuck cui- cuir cuit cuk- cupp cupr curi curr curt cut- cutc cutt iccc icci iccp iccr icct iccu icpc icrc icrr icrt icru ictp icup iiii iiit iirc iitr iitt iiuc ikki ikri ipcc ipct ippc ippr ipri iptc ipur iput ircc ircu iri- iric irip irki irpc irrc irri irti irtp itic itpc itri itup itur iucc iuiu iupp k-ci kccc kcci kcck kccr kcct kccu kcic kcii kcir kcit kciu kckc kckk kckr kcpc kcpi kcpr kcpt kcpu kcrc kcri kcrp kcrr kcrt kcru kctc kcti kctu kcui kcuk kcup kicc kick kicp kicr kict kiic kiii kiik kiip kiit kiiu kikc kiki kikk kikr kikt kiku kip- kipi kipp kipr kipt kipu kirc kiri kirk kirp kirr kirt kiru kitc kiti kitr kitt kitu kiup kiur kiuu kkci kkck kkcr kkct kkic kkik kkit kkkk kkpc kkpk kkpt kkrc kkrk kkrr kkrt kktc kktk kktu kkup kkut kkuu kpcc kpcr kpir kpit kpkk kpkr kppc kppk kppp kppr kprc kpri kprk kprp kprr kprt kpru kptr kptt kpur krcc krci krcu krik krit krkc krki krkk krkr krku krpi krpr krpt krpu krrc krri krrk krrr krrt krtc krti krtk krtr kruc krui kruk krup krur ktcc ktck ktcr ktic ktik ktip ktkc ktkk ktkr ktkt ktku ktpi ktpk ktpr ktpt ktrc ktri ktrk ktrp ktrr ktrt ktru kttc ktti kttk kttp kttr kttt kttu ktuc ktui kucc kuci kucp kucr kuic kuik kuki kukk kuku kupr kupt kupu kuri kurk kurr kurt kuru kuti kutp kutr kutt kutu kuuk kuur kuuu pccc pcip pcpp pcrc picc pici pick picr pict picu piip piki pikk pikt piku pipi pipp pirc piri pirk pirr piru piti pitr pitt pitu ppcc ppci ppic pppp pprc ppru pptt ppur prcc prcp pri- prii prri prtc prti prtp prtr prut pruu ptcc pttc pttk ptui puck puir puit puiu puki puku pupi pupu pur- puri purp purr puru put- puti putt putu puuc rccc rcic rcpi rcpt rctc rcti ricc rick rict riki rikk riku ripi ripp ripr ript riri riti ritt ritu rpii rrrr rtcc rttp ruci ruck ruct ruit ruki rukk ruku rupp rupt rurc ruri rurp ruru ruti rutt rutu tccc tccu tctc ticc tick tiit tiiu tiki tiku tip- tipc tipi tipp tipt tipu tiri tirr tiru titc titi titp titt titu tkip tpck tpcp tpir tppp tppr tptp tptr tput trcc tri- tric trik trip trit trpc trpp trtc trtr truc truk trut truu ttcp tttt tucc tuck tuik tuit tuiu tupi tupu turc turi turk turp turr turt turu tuti tutt tutu u-rp ucci uccp ucrc ucut uipi uirr ukcc ukip ukrc ukup ukur upci upic uppc uppp uppu upri upup urci uric urik uriu urri uruk urup urur urut utik utri utti uttu uucp uuri uuuu