c-cd cccc cccs cccu ccdc ccds cced ccee ccsd ccss ccuc ccus cd-e cdcs cdec cdes cdss cec- cece cecs cedd cede cedu ceec cees ceke cesc cese cess ckck ckcs ckdu cscc cscd csce cscs csec csee csks cssd csse csus cucc cuce cuck cude cuds cued cuek cues cuk- cuke cusd cusk cuss cusu dccc dccs dccu dcds dcsc dcss dddd ddes ddss dec- decc decd dece deck decs dedd dede dedu deed deek dees dek- deke deks des- desc dese desk dess desu deue deuk deus dkdc dscc dscs dssc duce duck ducs dudd dude duds dudu dues duke duku duse dusk eccc ecce ecdc eced eces ecks ecsc ecse ecss ecsu ecus eddc edde edds ede- edes edss educ eecs eede eedu eeee eees eeke eeks eese eesk eked ekek ekes esce escs escu esds esdu esee esek eses eske esks esku esse essu esus eucd eude euse kccc kccd kcck kccu kcdc kcdd kcds kcdu kcec kced kcee kceu kckc kckk kcsc kcsd kcse kcss kcsu kcue kcuk kdcc kdcd kdce kddc kddd kddk kdec kdkd kdkk kdsc kdsd kdsk kdss kdsu kduc kdus keck kedc kedd kede keds keed keek kees kekc keke keks keku kesc kesd kesk kess keus kkcd kkck kkcs kkdc kkdd kked kkkk kksd kkse kkss kksu kkus kkuu ksce ksck kscs kscu ksdc ksdk ksds ksec ksed ksee ksek kskd kske kskk ksks ksku ksse ksss kssu ksud ksue ksuu kucc kucd kuce kudd kude kudu kued kuek kues kueu kuke kukk kuks kuku kusc kusd kusu kuuk kuuu sccc scce sccs scdc scds scec scee sck- scsc scsd scsu scud sdcc sddc sdds sdes sdsc sdss sdsu se-c se-d se-e se-k se-s se-u sec- secc secd sece seck secs secu sede seds seec seed seek sees seeu seke sekk seku sesc sese sess sked skee skes sksd skss skud skue sscc ssce sscs ssdc ssdd ssec ssee sses sssc ssss suc- succ suck sucs sudd sude suds sued suee sues sueu suke suks suku sus- susd suse susk suss susu suus ucdc ucdd uces ucsc ucsd ucsu udds udsd uduk uess ukcc ukek ukes ukeu uksc us-k uscc usce uscs usdc usde usds used usee uses uske ussc usse usss ussu usus uuuu