c-cd cccc ccci cccp cccs cccu ccdc ccdi ccdp ccds ccic ccid ccii ccip ccis ccpp ccps ccsd ccsi ccsp ccss ccuc ccup ccus cdcs cdic cdii cdis cdps cdss cicc cici cics cicu cidc cidi cidp cids ciid ciii ciis cipp cips cis- cisc cisd cisp ciss ciuc ciup cius cpcs cpcu cpic cppd cpps cpsc cpsu cpus cscc cscd csci cscs csdp csid csis cspc cspd cspi csps cssd csup csus cucc cuci cudi cuds cui- cuis cupp cups cusd cusp cuss cusu dccc dcci dccp dccs dccu dcds dcii dcis dcps dcsc dcss dcup dddd ddps ddss dici didi dids didu diii diis dipc dipp dips dipu dis- disc disd disi disp diss dius dpci dpcp dppc dpsd dpsu dscc dscp dscs dsdp dsip dsps dssc dssi dssp ducs dudd duds dudu duid duis dusi iccc icci iccp iccs iccu icdc icdd icdp icis icpc icpd icps icsc icsd icsi icsp icss icup icus idic idid idis idps idsc idss idus iicd iiii iiis iisc iisd iisi iisp iisu iiuc ipcc ipcs ipdc ipdi ipid ippc ipsc ipsi ipsp ipss ipus iscc iscd isci iscp iscs iscu isdc isds isic isis ispc isps issc issi issp isss issu isup isus iucc iuds iuiu iupp iusd iuss pccc pccs pcip pcpp pcps pdci pdcp pdic pdsd pdss picc pici pics picu pids piip pipi pipp pips pisd pisi piss pisu pius ppcc ppcd ppci ppcs ppds ppic ppid pppd pppp ppps ppss psci pscu psdc psdi psdp psds psid psip psis pspi pspp psps pssc puds pudu puid puis puiu pupi pups pupu pusd pusi puss puuc s-ic s-ii sccc sccp sccs scdc scdp scds sci- scic scid scip scis scpi scps scsc scsd scsi scsu scud scup sdcc sddc sdds sdic sdps sdsc sdss sdsu sicc sici sicp sics sicu sidd sidi sids sipc sipi sipp sips sisc sisd sisi siss sisu siui sius spcc spcs spdc spdp spic spip spis sppd spps spsd spsp spss spud spui spus sscc ssci sscp sscs ssdc ssdd ssdp ssid ssis sspc ssps sssc sssi ssss suc- succ suci sucs sudd sudi suds suid suis sup- supp sups sus- susd susi susp suss susu suus ucci uccp ucdc ucdd ucsc ucsd ucsu uddi udds udic udid udpd udsd uipi uisd upci upcs upic upis uppc uppp uppu upsc upsi upup uscc uscs usdc usdp usds usip usis uspc uspp usps ussc usss ussu usui usus uucp uusi uuuu