cccc cccs cccu ccrc ccrs ccrt ccss ccst cctc cctt ccuc ccus ccut crcc crcr crrt crss crst crtc crts crus crut cry- crys cscc cscr cscs csrc csrs cssr cstc cstr csts csur csus csys ctrc ctrs ctsc ctss ctsu ctts cucc curr curs curt cury cuss cust cusu cusy cut- cutc cuts cutt cuy- cuyr cyc- cycc cycs cyrs cyrt cyst cyt- cyy- cyyc rccc rccs rcsc rcss rctc rcts rcyc rrrr rscc rscs rscy rsts rstu rtcc rtss rtts ruct rurc rurs ruru russ rust rusu rusy ruts rutt rutu ruty ruys rysy rytt ryyt sccc sccs scct sccy scr- scrc scrs scry scsc scsr scst scsu sctc sctr scts scur scut srcc srct srtr sscc sscs ssrc ssrs sssc ssss sstc ssts stcc stcs stcu strc strs stru stry stss sttc sttr stuc stur stus stut stuy styr stys suc- succ sucr sucs sur- surc surr surs surt suru sury sus- suss sust susu susy sutu suty suus suyr suyu sycr syrs syrt syry syss syst sytt tccc tccu tctc tcts trcc trst trtc trtr truc trus trut truu try- trys tscc tssr tsst tstc tsts tsys ttss tttt ttys tucc turc turr turs turt turu tury tusc tuss tust tuts tutt tutu tuty tuys tyr- tyrr tyss tyst tytt tyty tyus ucrc ucsc ucst ucsu ucut urcy urry urss ursu ursy urts urur urus urut uscc uscs ussc ussr usss usst ussu ussy ustc usts usus utsc uttu uuuu uyts yccc yctc yssu yurt yury yust yutu yuty yuyu yyyy