cccc cccs cccu ccee ccss ccst cctc cctt ccuc ccus ccut cec- cece cecs cect ceec cees cesc cese cess cest cet- cete cets ceux cexe cscc csce cscs csec csee cset csse cstc csts cstx csus csxt ctec ctsc ctss ctsu ctts cucc cuce cues cuss cust cusu cut- cutc cute cuts cutt cxxx eccc ecce ecct eces ecsc ecse ecss ecsu ect- ectc ects ecus eecs eeee eees eese eetc eete eets eetu eext esce escs escu esee eses eset esse esst essu estc este ests esus etcc etcs etec etee etes etsu ette ettu etux euse exec exes exte exts sccc scce sccs scct scec scee scet scsc scst scsu sctc scts scut se-c se-e se-s se-t se-u se-x sec- secc sece secs sect secu seec sees seet seeu seex sesc sese sess sest set- setc sete sets sett setx seux sex- sexe sext sscc ssce sscs ssec ssee sses sset ssex sssc ssss sstc ssts stcc stcs stcu stec stee stes stet stex stss sttc stuc stue stus stut stux suc- succ sucs suee sues suet sueu sus- suse suss sust susu sute sutu suus sux- suxe suxt tccc tccu tctc tcts tecs tect teec tees teet tesc tese tess test tete tets tett tetu tetx teut text tscc tsec tses tset tsse tsst tstc tsts ttss tttt tucc tues tuet tusc tuss tust tute tuts tutt tutu tuxs uces ucsc ucst ucsu ucut uess uext uscc usce uscs usee uses uset ussc usse usss usst ussu ustc uste usts usus utec utes utsc uttu uuuu uxue uxus xces xeus xexe xuxu xxxx