c-cd cccc cccp cccs cccu ccdc ccdp ccds ccpp ccps ccsd ccsp ccss ccuc ccup ccus cdcs cdps cdss ckck ckcs ckcy ckdu ckpc cpcs cpcu cppd cpps cpsc cpsk cpsu cpus cscc cscd cscs csdp csks cspc cspd csps cssd csup csus csys cucc cuck cuds cuk- cupp cups cusd cusk cusp cuss cusu cusy cuy- cuyp cyc- cycc cycs cyds cypc cyps cyy- cyyc dc-y dccc dccp dccs dccu dcds dcps dcsc dcss dcup dddd ddps ddss dkdc dpcp dppc dpsd dpsu dpyd dpys dscc dscp dscs dsdp dsps dssc dssp duck ducs dudd duds dudu duku dusk dusy dycd dyck dycu dydd dykp dyku dys- dysp dyss kccc kccd kcck kccu kccy kcdc kcdd kcds kcdu kcdy kckc kckk kcky kcpc kcps kcpu kcsc kcsd kcsp kcss kcsu kcsy kcuk kcup kcyk kcys kcyy kdcc kdcd kddc kddd kddk kdkd kdkk kdps kdsc kdsd kdsk kdsp kdss kdsu kduc kdup kdus kdyk kkcd kkck kkcs kkcy kkdc kkdd kkdy kkkk kkpc kkpk kkps kksd kksp kkss kksu kkup kkus kkuu kkyc kkys kkyy kpcc kpcs kpdc kpkk kpky kppc kppd kppk kppp kpsc kpsd kpsp kpsu kpus kpyk ksck kscs kscu kscy ksdc ksdk ksdp ksds kskd kskk ksks ksku ksky kspc kspd kspk ksps ksss kssu ksud ksup ksuu ksyc ksyy kucc kucd kucp kudd kudu kukk kuks kuku kuky kupd kups kupu kusc kusd kusp kusu kuuk kuuu kuyu kuyy kycc kyck kycs kydd kyds kydy kykc kykd kykk kyks kyky kyp- kypc kyps kysc kysk kysp kyuk kyus kyuu kyyk kyys kyyy pccc pccs pcks pcpp pcps pdcp pdsd pdss pkcs ppcc ppcd ppcs ppdk ppds pppd pppp ppps ppss pscu psdc psdp psds pspp psps pssc psy- psys puck puds pudu puku puky pups pupu pupy pusd pusk puss puuc puy- puys pyck pykk pypy pysk pyss sccc sccp sccs sccy scdc scdp scds sck- scps scsc scsd scsu scud scup sdcc sddc sdds sdps sdsc sdss sdsu skpc sksd skss skud skup sky- skys skyy spcc spcs spdc spdp spdy sppd spps spsd spsp spss spud spus spy- spys sscc sscp sscs ssdc ssdd ssdp sspc ssps sssc ssss suc- succ suck sucs sudd suds suks suku suky sup- supp sups supy sus- susd susk susp suss susu susy suus suyu syck syds syss syyk uccp ucdc ucdd ucky ucsc ucsd ucsu udds udpd udsd uduk ukcc ukky ukps uksc ukup upcs uppc uppp uppu uppy upsc upsy upup us-k uscc uscs usdc usdp usds uspc uspp usps ussc usss ussu ussy usus uucp uuuu yccc yksc ypcc yssu yuck yudu yuks yuku yuky yups yuyu yyyy