cccc ccci cccs ccic ccii ccir ccis ccrc ccri ccrs ccsi ccss cicc cici cicr cics ciii ciis cikr circ ciri cirk cirr cirs cis- cisc cisk cisr ciss ckck ckcs ckrc crcc crcr cric crik cris crkc crss cscc csci cscr cscs csik csir csis csks csrc csrs cssr iccc icci iccr iccs icis icks icrc icrr icrs icsc icsi icsr icss iiii iiis iirc iirs iisc iisi iisr ikki ikri ircc ircs iri- iric iris irki irks irrc irri irrs iscc isci iscr iscs isic isis isri issc issi issr isss k-ci kccc kcci kcck kccr kcic kcii kcir kcis kckc kckk kckr kcrc kcri kcrr kcrs kcsc kcsi kcsr kcss kicc kick kicr kics kiic kiii kiik kiis kikc kiki kikk kikr kirc kiri kirk kirr kirs kisc kisi kisk kisr kiss kkci kkck kkcr kkcs kkic kkik kkkk kkrc kkrk kkrr kkrs kksi kksr kkss krcc krci krcs krik kris krkc krki krkk krkr krks krrc krri krrk krrr krrs krsc krsk krsr krss ksci ksck kscr kscs ksii ksik ksir ksis kskk kskr ksks ksrr ksrs kssi kssr ksss rccc rccs rcic rcis rcsc rcsi rcss ricc rick rics riis riki rikk riri rirs risc risi risk riss rkss rrrr rscc rscs rsis s-ic s-ii sccc sccs sci- scic scir scis sck- scr- scrc scri scrs scsc scsi scsr sicc sici sick sics siik siki sikr siks sirc siri sirk sirr sirs sisc sisi sisk siss skic skik skir skis skss srcc sris sscc ssci sscs ssis ssrc ssri ssrs sssc sssi ssss