-ic c-- ccc cci cck ccr ccs cct ci- cic cii cik cir cis cit ckc cki cks ckt crc cri crk crr crs crt csc csi csk csr css cst ctc cti ctk ctr cts ctt icc ici ick icr ics ict iic iii iir iis iit ikc iki ikk ikr iks ikt ir- irc iri irk irr irs irt is- isc isi isk isr iss ist itc iti itk its itt k-t kcc kci kck kcr kcs kct kic kii kik kir kis kit kkc kki kkk kkr kks kkt krc kri krk krr krs krt ksc ksi ksk ksr kss kst ktc ktk ktr kts ktt rcc rci rcr rcs rct ric rii rik rir ris rit rkc rkk rks rkt rrc rri rrk rrr rrs rrt rsc rsi rsk rsr rss rst rtc rti rtk rtr rts rtt scc sci sck scr scs sct sic sii sik sir sis sit sk- skc ski skk skr sks skt sr- src sri srk srr srs srt ss- ssc ssi ssk ssr sss sst stc sti stk str sts stt tcc tci tck tcr tcs tct tic tii tik tir tis tit tkc tkk tkr tks tkt trc tri trk trr trs trt tsc tsi tsk tsr tss tst ttc tti ttk ttr tts ttt