cccc ccci cccs ccic ccii ccir ccis ccrc ccri ccrs ccrt ccsi ccss ccst cctc cctt cicc cici cicr cics cict ciii ciis ciit cikr circ ciri cirk cirr cirs cirt cis- cisc cisk cisr ciss cist citi cits citt ckck ckcs ckrc ckst ckts crcc crcr cric crik cris crit crkc crrt crss crst crtc crts cscc csci cscr cscs csik csir csis csit csks csrc csrs cssr cstc cstr csts ctic ctrc ctrs ctsc ctss ctts iccc icci iccr iccs icct icis icks icrc icrr icrs icrt icsc icsi icsr icss icst icts iiii iiis iiit iirc iirs iisc iisi iisr iist iitr iitt ikki ikri ircc ircs iri- iric iris irki irks irrc irri irrs irti irts iscc isci iscr iscs isct isic isis isit isri issc issi issr isss istc isti istr ists itcs itic itis itri itrs itsi k-ci kccc kcci kcck kccr kcct kcic kcii kcir kcis kcit kckc kckk kckr kcrc kcri kcrr kcrs kcrt kcsc kcsi kcsr kcss kcst kctc kcti kicc kick kicr kics kict kiic kiii kiik kiis kiit kikc kiki kikk kikr kikt kirc kiri kirk kirr kirs kirt kisc kisi kisk kisr kiss kist kitc kiti kitr kits kitt kkci kkck kkcr kkcs kkct kkic kkik kkit kkkk kkrc kkrk kkrr kkrs kkrt kksi kksr kkss kkst kktc kktk kkts krcc krci krcs krik kris krit krkc krki krkk krkr krks krrc krri krrk krrr krrs krrt krsc krsk krsr krss krst krtc krti krtk krtr krts ksci ksck kscr kscs ksii ksik ksir ksis ksit kskk kskr ksks ksrr ksrs ksrt kssi kssr ksss ksst kstc ksti kstk kstr ksts kstt ktcc ktck ktcr ktcs ktic ktik ktis ktkc ktkk ktkr ktks ktkt ktrc ktri ktrk ktrr ktrs ktrt ktsc ktsr ktst kttc ktti kttk kttr ktts kttt rccc rccs rcic rcis rcsc rcsi rcss rctc rcti rcts ricc rick rics rict riis riki rikk riri rirs risc risi risk riss rist riti rits ritt rkss rkts rrrr rscc rscs rsis rsts rtcc rtss rtts s-ic s-ii sccc sccs scct sci- scic scir scis scit sck- scr- scrc scri scrs scsc scsi scsr scst sctc sctr scts sicc sici sick sics siik siit siki sikr siks sirc siri sirk sirr sirs sirt sisc sisi sisk siss sist sit- sitc siti sits sitt skic skik skir skis skit skrt skss srcc srct sris srtr sscc ssci sscs ssis ssit ssrc ssri ssrs sssc sssi ssss sstc ssts stcc stcs stic stik stir stis stit stks strc stri strk strs stsi stss sttc sttr tccc tctc tcts ticc tick tics tiit tiki tiri tirr tirs tisi tiss tist titc titi tits titt tkts trcc tri- tric trik tris trit trsi trst trtc trtr tscc tsis tsks tssi tssr tsst tstc tsts ttss tttt