cccc ccci cccp cccs ccic ccii ccip ccir ccis ccpp ccpr ccps ccrc ccri ccrp ccrs ccsi ccsp ccss cicc cici cicr cics ciii ciis cikr cipp cips circ ciri cirk cirr cirs cis- cisc cisk cisp cisr ciss ckck ckcs ckpc ckpr ckrc cpcs cpic cpps cpri cprs cpsc cpsk cpsr crcc crcr cric crik crip cris crkc crkp crpc crps crsp crss cscc csci cscr cscs csik csir csis csks cspc cspi csps csrc csrs cssr iccc icci iccp iccr iccs icis icks icpc icps icrc icrr icrs icsc icsi icsp icsr icss iiii iiis iirc iirs iisc iisi iisp iisr ikki ikri ipcc ipcs ippc ippr ipri ipsc ipsi ipsp ipss ircc ircs iri- iric irip iris irki irks irpc irps irrc irri irrs irsp iscc isci iscp iscr iscs isic isis ispc ispr isps isri isrp issc issi issp issr isss k-ci kccc kcci kcck kccr kcic kcii kcir kcis kckc kckk kckr kcpc kcpi kcpr kcps kcrc kcri kcrp kcrr kcrs kcsc kcsi kcsp kcsr kcss kicc kick kicp kicr kics kiic kiii kiik kiip kiis kikc kiki kikk kikr kip- kipi kipp kipr kips kirc kiri kirk kirp kirr kirs kisc kisi kisk kisr kiss kkci kkck kkcr kkcs kkic kkik kkkk kkpc kkpk kkps kkrc kkrk kkrr kkrs kksi kksp kksr kkss kpcc kpcr kpcs kpir kpkk kpkr kppc kppk kppp kppr kprc kpri kprk kprp kprr kprs kpsc kpsi kpsp krcc krci krcs krik kris krkc krki krkk krkr krks krpi krpr krps krrc krri krrk krrr krrs krsc krsk krsr krss ksci ksck kscr kscs ksii ksik ksip ksir ksis kskk kskr ksks kspc kspi kspk kspr ksps ksrp ksrr ksrs kssi kssr ksss pccc pccs pcip pcks pcpp pcps pcrc picc pici pick picr pics piip piki pikk piks pipi pipp pips pirc piri pirk pirr pirs pisi pisk piss pkcs ppcc ppci ppcs ppic pppp ppps pprc ppss prcc prcp prcs pri- prii pris prps prri prrs prsc prsi prss psci psip psis pspi pspp pspr psps psrk psrp pssc rccc rccs rcic rcis rcpi rcps rcsc rcsi rcss ricc rick rics riis riki rikk ripi ripp ripr rips riri rirs risc risi risk risp riss rkss rpcs rpii rpps rrrr rrsp rscc rscs rsis rspk rsps s-ic s-ii sccc sccp sccs sci- scic scip scir scis sck- scpi scps scr- scrc scri scrs scsc scsi scsr sicc sici sick sicp sics siik siki sikr siks sipc sipi sipp sips sirc siri sirk sirp sirr sirs sisc sisi sisk siss skic skik skip skir skis skpc skss spcc spcs spic spik spip spir spis spkr spps spri sprs spsp spss srcc sris srpc srps srsp sscc ssci sscp sscs ssis sspc ssps ssrc ssri ssrs sssc sssi ssss