cccc cccs cccu ccnc ccnr ccns ccnu ccrc ccrs ccrt ccsn ccss ccst cctc cctt ccuc ccus ccut cnrc cnrr cnrt cnss cntc cntr cnut crcc crcr crns crrt crss crst crtc crts crun crus crut cscc cscr cscs csrc csrs cssr cstc cstr csts csur csus ctns ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts cucc cucn cunt curn curr curs curt cuss cust cusu cut- cutc cuts cutt nccc nccn nccr nccs ncct nccu ncnc ncrc ncsc ncss ncst nctc nctr nnnn nnss nntn nrcs nrrc nrsc nrts nscc nscs nsnr nsrc nssc nssr nsss nstc nsts nstu ntcc ntnu ntrc ntru ntsc ntss ntsu nttr ntuc nucs nucu nunc nunn nuns nunt nurc nurn nurr nurs nurt nuru nuss nust nusu nuts nutt nutu rccc rccs rcnr rcsc rcss rctc rcts rncs rnnt rnut rrrr rrun rscc rscn rscs rsnn rsnr rsts rstu rtcc rtns rtss rtts ruct runc runn runs runt rurc rurs ruru russ rust rusu ruts rutt rutu ruun sccc sccs scct scnr scnt scr- scrc scrn scrs scsc scsn scsr scst scsu sctc sctn sctr scts scun scur scut sncc snns snrs sntr snur snus srcc srct srnn srtr sscc sscs ssns ssrc ssrs sssc ssss sstc ssts stcc stcs stcu stnn stnr stns strc strn strs stru stss sttc sttr stuc stun stur stus stut suc- succ sucr sucs sun- sunn suns sunt sunu sur- surc surn surr surs surt suru sus- suss sust susu sutu suus tccc tccu tcnn tctc tcts tncc tnts tnut trcc trst trtc trtr truc trun trus trut truu tscc tssr tsst tstc tsts tsun ttcn ttss tttt tucc tunc tunn tuns tunu turc turn turr turs turt turu tusc tuss tust tuts tutt tutu ucrc ucsc ucst ucsu ucut uncc uncs unct unns unrs uns- unsc unst unts unus unut urns urss ursu urts urun urur urus urut uscc uscs usnc usnr usnu ussc ussr usss usst ussu ustc usts usun usus utsc uttu uuuu