cccc cccl cccs cccu cclc ccls ccsl ccss ccst cctc cctl cctt ccuc ccus ccut clsc cltc clts clut cscc cscl cscs cslu cstc csts csus ctls ctsc ctss ctsu ctts cucc culc cull culs cult cuss cust cusu cut- cutc cuts cutt lccc lccs lcls lcsc lctl lcts llcc llcs lllc llll lscs lsts ltcc ltcs lttc ltuc lucs lull lulu luss lust luts sccc sccl sccs scct scl- sclc scls scsc scsl scst scsu sctc sctl scts scul scut slcc slcu slsc slst slsu slts sluc slut sscc sscs sslc sslt sssc ssss sstc sstl ssts stcc stcs stcu stlc stlt stss sttc stuc stul stus stut suc- succ sucs sul- sulc sull sult sulu sus- suss sust susu sutu suus tccc tccu tctc tcts tcul tscc tsst tstc tsts ttss tttt ttul tucc tull tulu tusc tuss tust tutl tuts tutt tutu ucsc ucst ucsu ucut ulcc ults ultt ulul ulus uscc uscs uslu ussc usss usst ussu ustc usts usul usus utsc utsl uttu uulu uuuu