-ic c-- ccc cci cck ccp ccr ccs cct ci- cic cii cik cip cir cis cit ckc cki cks ckt cpc cpi cpk cpp cpr cps cpt crc cri crk crp crr crs crt csc csi csk csp csr css cst ctc cti ctk ctp ctr cts ctt icc ici ick icp icr ics ict iic iii iip iir iis iit ikc iki ikk ikr iks ikt ipc ipi ipp ipr ips ipt ir- irc iri irk irp irr irs irt is- isc isi isk isp isr iss ist itc iti itk itp its itt k-t kcc kci kck kcp kcr kcs kct kic kii kik kip kir kis kit kkc kki kkk kkp kkr kks kkt kpc kpi kpk kpp kpr kps kpt krc kri krk krp krr krs krt ksc ksi ksk ksp ksr kss kst ktc ktk ktp ktr kts ktt p-p pcc pci pck pcp pcr pcs pct pic pii pik pip pir pis pit pkc pki pkp pkr pks pkt ppc ppi ppk ppp ppr pps ppt prc pri prk prp prr prs prt ps- psc psi psk psp psr pss pst pt- ptc pti ptk ptp ptr pts ptt rcc rci rcp rcr rcs rct ric rii rik rip rir ris rit rkc rkk rkp rks rkt rpc rpi rpk rpp rpr rps rpt rrc rri rrk rrp rrr rrs rrt rsc rsi rsk rsp rsr rss rst rtc rti rtk rtp rtr rts rtt scc sci sck scp scr scs sct sic sii sik sip sir sis sit sk- skc ski skk skp skr sks skt spc spi spk spp spr sps spt sr- src sri srk srp srr srs srt ss- ssc ssi ssk ssp ssr sss sst stc sti stk stp str sts stt tcc tci tck tcp tcr tcs tct tic tii tik tip tir tis tit tkc tkk tkp tkr tks tkt tpc tpi tpk tpp tpr tps tpt trc tri trk trp trr trs trt tsc tsi tsk tsp tsr tss tst ttc tti ttk ttp ttr tts ttt