-ic c-- ccc cci cck cco ccp ccr ccs cct ci- cic cii cik cio cip cir cis cit ckc cki cko cks ckt co- coc coi cok coo cop cor cos cot cpc cpi cpk cpo cpp cpr cps cpt crc cri crk cro crp crr crs crt csc csi csk cso csp csr css cst ctc cti ctk cto ctp ctr cts ctt icc ici ick ico icp icr ics ict iic iii iio iip iir iis iit ikc iki ikk iko ikr iks ikt io- ioc ioi ioo iop ior ios iot ipc ipi ipo ipp ipr ips ipt ir- irc iri irk iro irp irr irs irt is- isc isi isk iso isp isr iss ist itc iti itk ito itp its itt k-t kcc kci kck kcp kcr kcs kct kic kii kik kio kip kir kis kit kkc kki kkk kkp kkr kks kkt koc koi kok koo kop kor kos kot kpc kpi kpk kpo kpp kpr kps kpt krc kri krk kro krp krr krs krt ksc ksi ksk kso ksp ksr kss kst ktc ktk kto ktp ktr kts ktt o-i oc- occ oci ock oco ocp ocr ocs oct oic oii oik oio oip oir ois oit okc oki okk oko okp okr oks oo- ooc ooi ook ooo oop oor oos oot op- opc opi opk opo opp opr ops opt or- orc ori ork oro orp orr ors ort os- osc osi osk oso osp osr oss ost ot- otc oti otk oto otp otr ots ott p-p pcc pci pck pco pcp pcr pcs pct pic pii pik pio pip pir pis pit pkc pki pko pkp pkr pks pkt poc poi pok poo pop por pos pot ppc ppi ppk ppo ppp ppr pps ppt prc pri prk pro prp prr prs prt ps- psc psi psk pso psp psr pss pst pt- ptc pti ptk pto ptp ptr pts ptt rcc rci rco rcp rcr rcs rct ric rii rik rio rip rir ris rit rkc rkk rko rkp rks rkt roc roi rok roo rop ror ros rot rpc rpi rpk rpo rpp rpr rps rpt rrc rri rrk rrp rrr rrs rrt rsc rsi rsk rso rsp rsr rss rst rtc rti rtk rto rtp rtr rts rtt scc sci sck sco scp scr scs sct sic sii sik sio sip sir sis sit sk- skc ski skk sko skp skr sks skt soc soi sok soo sop sor sos sot spc spi spk spo spp spr sps spt sr- src sri srk sro srp srr srs srt ss- ssc ssi ssk sso ssp ssr sss sst stc sti stk sto stp str sts stt tcc tci tck tco tcp tcr tcs tct tic tii tik tio tip tir tis tit tkc tkk tko tkp tkr tks tkt to- toc toi tok too top tor tos tot tpc tpi tpk tpo tpp tpr tps tpt trc tri trk tro trp trr trs trt tsc tsi tsk tso tsp tsr tss tst ttc tti ttk tto ttp ttr tts ttt