cccc cccp cccu ccoc ccpp cctc cctt ccuc ccup ccut ckck ckco ckoc ckoo ckot ckpc cock coco cocp coct cocu cok- coko cook coop coot copo copp copt cotc coto cott cotu couk coup cout cpcu cptp ctcp ctot ctpo ctpp cucc cuck cuk- cupo cupp cut- cutc cuto cutt kccc kcck kcct kccu kckc kckk kcko kcot kcou kcpc kcpo kcpt kcpu kctc kcto kctu kcuk kcup kkck kkco kkct kkkk kkoo kkot kkpc kkpk kkpt kktc kktk kktu kkup kkut kkuu kock kocp koct kokc kokk koko kokp koku kooc kook kooo koop koot koou kopp kopt kopu kotc kotk koto kott kotu kout kouu kpcc kpkk kpoc kpok kpoo kpop kpou kppc kppk kppo kppp kpto kptt ktcc ktck ktco ktkc ktkk ktko ktkt ktku ktoc ktok ktoo ktop ktot ktpk ktpo ktpt kttc kttk ktto kttp kttt kttu ktuc kucc kuco kucp kukk kuku kuok kuoo kuop kupt kupu kuto kutp kutt kutu kuuk kuuu occc occt ocpp oct- octo okcu okko okok okot okpo okto ooku oooo ootp opo- oppo opto oto- otok otoo otpp otto ottu oucc out- outo ouu- pccc pcpp pock poco poko poku pook poop poot pop- popc popo popp popt potc poto pott potu pouk poup pout ppcc pppo pppp pptt ptcc ptop pttc pttk puck puku pupu put- puto putt putu puuc tccc tccu tcpo tctc tock toco toko toku took toot top- topo topp topt topu totc toto tott touk toup tout tpck tpcp tppp tptp tput ttcp ttop tttt tucc tuck tuco tuko tupo tupu tuto tutt tutu tuuo uccp ucut ukcc ukko ukok ukup uocc uppc uppp uppu upto upup utto uttu uucp uuoc uuuu