cccc ccci cccp cccs ccic ccii ccip ccis ccix ccpp ccps ccsi ccsp ccss ccxi cicc cici cics ciii ciis cipp cips cis- cisc cisk cisp ciss cixi ckck ckcs ckcx ckpc cpcs cpic cpix cpps cpsc cpsk cpsx cscc csci cscs csik csis csix csks cspc cspi csps cxii cxix cxxi cxxx iccc icci iccp iccs icis icks icpc icps icsc icsi icsp icss iiii iiis iisc iisi iisp ikki ipcc ipcs ipix ippc ipsc ipsi ipsp ipss iscc isci iscp iscs isic isis ispc isps issc issi issp isss ixxi k-ci kc-x kccc kcci kcck kcic kcii kcis kcix kckc kckk kckx kcpc kcpi kcps kcpx kcsc kcsi kcsp kcss kicc kick kicp kics kicx kiic kiii kiik kiip kiis kiix kikc kiki kikk kikx kip- kipi kipp kips kisc kisi kisk kiss kisx kixi kixk kixs kixx kkci kkck kkcs kkic kkik kkix kkkk kkpc kkpk kkps kksi kksp kkss kkxk kkxs kkxx kpcc kpcs kpkk kpkx kppc kppk kppp kpsc kpsi kpsp kpxi kpxp ksci ksck kscs ksii ksik ksip ksis ksix kskk ksks kskx kspc kspi kspk ksps kssi ksss kssx kxci kxcs kxic kxii kxix kxkc kxkk kxks kxkx kxpc kxpk kxps kxsc kxsp kxss kxxi kxxk kxxx pccc pccs pcip pcks pcpp pcps picc pici pick pics piip piki pikk piks pipi pipp pips pisi pisk piss pixx pkcs pkix ppcc ppci ppcs ppic pppp ppps ppss psci psip psis pspi pspp psps pssc s-ic s-ii sccc sccp sccs sci- scic scip scis sck- scpi scps scsc scsi sicc sici sick sicp sics siik siki siks sipc sipi sipp sips sisc sisi sisk siss sixx skic skik skip skis skix skpc skss spcc spcs spic spik spip spis spix spps spsp spss sscc ssci sscp sscs ssis sspc ssps sspx sssc sssi ssss xcii xcis xics xiii xisi xixi xpcc xxii xxix xxxi xxxx