c-cd cccc cccs cccu ccdc ccds cced ccee ccsd ccss ccst cctc cctt ccuc ccus ccut cd-e cdcs cdec cdes cdss cec- cece cecs cect cedd cede cedt cedu ceec cees cesc cese cess cest cet- cete cets cscc cscd csce cscs csec csee cset cssd csse cstc cstd csts csus ctec ctsc ctss ctsu ctts cucc cuce cude cuds cued cues cusd cuss cust cusu cut- cutc cute cuts cutt dccc dccs dcct dccu dcds dcsc dcss dctc dcts dddd ddes ddss ddts dec- decc decd dece decs dect dedd dede dedu deed dees deet des- desc dese dess dest desu dete dets deue deus deut dscc dscs dssc dsst dstc dsts dtcc dted dtss duce ducs duct dudd dude duds dudu dues duet duse dust dute duts duut eccc ecce ecct ecdc eced eces ecsc ecse ecss ecsu ect- ectc ects ecus eddc edde edds ede- edes edss edts educ eecs eede eedu eeee eees eese eetc eete eets eetu esce escs escu esds esdu esee eses eset esse esst essu estc estd este ests esus etcc etcs etds etec etee etes etsu ette ettu eucd eude euse sccc scce sccs scct scdc scds scec scee scet scsc scsd scst scsu sctc sctd scts scud scut sdcc sddc sdds sdes sdet sdsc sdss sdsu se-c se-d se-e se-s se-t se-u sec- secc secd sece secs sect secu sede seds seec seed sees seet seeu sesc sese sess sest set- setc sete sets sett sscc ssce sscs ssdc ssdd ssec ssee sses sset sssc ssss sstc sstd ssts stcc stcs stcu stds stec sted stee stes stet stss sttc sttd stuc stud stue stus stut suc- succ sucs sudd sude suds sued suee sues suet sueu sus- susd suse suss sust susu sute sutu suus tccc tccu tcdd tctc tcts tdes tdse tdss tecs tect tedd tede teds teec teed tees teet tesc tesd tese tess test tete tets tett tetu teut tscc tsec tses tset tsse tsst tstc tsts ttss tttt tucc tude tudu tues tuet tusc tusd tuss tust tute tuts tutt tutu ucdc ucdd uces ucsc ucsd ucst ucsu ucut udds udet udsd udts uess uscc usce uscs usdc usde usds usdt used usee uses uset ussc usse usss usst ussu ustc uste usts usus utec utes utsc uttu uuuu