cccc cccs cccu ccnc ccnr ccns ccnu ccrc ccrs ccrt ccsn ccss ccst cctc cctt ccuc ccus ccut ckck ckcs cknc ckns cknt ckrc ckst ckts cnrc cnrr cnrt cnss cntc cntk cntr cnut crcc crcr crkc crns crrt crss crst crtc crts cruk crun crus crut cscc cscr cscs csks csrc csrs cssr cstc cstr csts csur csus ctns ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts cucc cuck cucn cuk- cunt curn curr curs curt cusk cuss cust cusu cut- cutc cuts cutt kccc kcck kccr kcct kccu kckc kckk kckn kckr kcnr kcns kcnt kcrc kcrn kcrr kcrs kcrt kcru kcsc kcsn kcsr kcss kcst kcsu kctc kctn kctu kcuk kkck kkcn kkcr kkcs kkct kkkk kknn kkns kknt kknu kkrc kkrk kkrn kkrr kkrs kkrt kksn kksr kkss kkst kksu kktc kktk kkts kktu kkus kkut kkuu knck kncn kncr knct kncu knkk knkt knnk knnr knns knrk knrs knsc knsk knsn knsr knss knst knsu kntk kntn kntr knts kntu knuk knur knus knut krcc krcn krcs krcu krkc krkk krkn krkr krks krku krnk krnn krnt krnu krrc krrk krrn krrr krrs krrt krsc krsk krsn krsr krss krst krsu krtc krtk krtn krtr krts kruc kruk krun krur ksck kscn kscr kscs kscu kskk kskn kskr ksks ksku ksnc ksnk ksnn ksnr ksns ksnt ksrn ksrr ksrs ksrt kssn kssr ksss ksst kssu kstc kstk kstn kstr ksts kstt kstu ksun ksut ksuu ktcc ktck ktcr ktcs ktkc ktkk ktkn ktkr ktks ktkt ktku ktnc ktnk ktnn ktns ktnt ktrc ktrk ktrn ktrr ktrs ktrt ktru ktsc ktsn ktsr ktst ktsu kttc kttk kttn kttr ktts kttt kttu ktuc ktun kucc kucr kukk kukn kuks kuku kunc kunk kunr kuns kunt kunu kurk kurr kurs kurt kuru kusc kusn kust kusu kutr kuts kutt kutu kuuk kuur kuuu nccc nccn nccr nccs ncct nccu ncnc ncrc ncsc ncss ncst nctc nctr ncuk nknt nktr nnnn nnss nntn nrcs nrrc nrsc nrts nscc nscs nskk nsnr nsrc nssc nssr nsss nstc nsts nstu ntcc ntnu ntrc ntru ntsc ntss ntsu nttr ntuc nuck nucs nucu nuku nunc nunk nunn nuns nunt nurc nurn nurr nurs nurt nuru nuss nust nusu nuts nutt nutu nuuk rccc rccs rcnr rcsc rcss rctc rcts rkss rkts rncs rnnt rnut rrrr rrun rscc rscn rscs rsnn rsnr rsts rstu rtcc rtkn rtns rtss rtts ruck ruct rukk rukn ruku runc runk runn runs runt rurc rurs ruru rusk russ rust rusu ruts rutt rutu ruun sccc sccs scct sck- scnr scnt scr- scrc scrn scrs scsc scsn scsr scst scsu sctc sctn sctr scts scun scur scut skn- skrt skss skun skur skut sncc snns snrk snrs sntr snur snus srcc srct srnn srtr sscc sscs ssns ssrc ssrs sssc ssss sstc ssts stcc stcs stcu stks stnn stnr stns strc strk strn strs stru stss sttc sttr stuc stuk stun stur stus stut suc- succ suck sucr sucs suks suku sun- sunk sunn suns sunt sunu sur- surc surn surr surs surt suru sus- susk suss sust susu sutu suus tccc tccu tcnn tctc tcts tkts tncc tnks tnts tnut trcc trst trtc trtr truc truk trun trus trut truu tscc tsks tssr tsst tstc tsts tsun ttcn ttss tttt tucc tuck tuks tunc tunk tunn tuns tunu turc turk turn turr turs turt turu tusc tusk tuss tust tuts tutt tutu ucrc ucsc ucst ucsu ucut ukcc uknc ukrc uksc ukur uncc uncs unct unkn unks unns unrs uns- unsc unst unts unus unut urns urss ursu urts uruk urun urur urus urut us-k uscc uscs usnc usnr usnu ussc ussr usss usst ussu ustc usts usun usus utsc uttu uuuu