-ic c-- ccc ccg cci cck cco ccs cct cgc cgg cgi cgo cgs cgt ci- cic cig cii cik cio cis cit ckc cki cko cks ckt co- coc cog coi cok coo cos cot csc csg csi csk cso css cst ctc ctg cti ctk cto cts ctt gcc gcg gci gck gco gcs gct ggc ggg ggi ggo ggs ggt gic gig gii gik gio gis git gko gks gkt goc gog goi gok goo gos got gsc gsg gsi gsk gso gss gst gtc gtg gti gtk gto gts gtt icc icg ici ick ico ics ict igc igg igi igk igo igs igt iic iii iio iis iit ikc iki ikk iko iks ikt io- ioc iog ioi ioo ios iot is- isc isg isi isk iso iss ist itc itg iti itk ito its itt k-t kcc kcg kci kck kcs kct kgc kgi kgo kgs kic kig kii kik kio kis kit kkc kki kkk kks kkt koc kog koi kok koo kos kot ksc ksg ksi ksk kso kss kst ktc ktg ktk kto kts ktt o-i oc- occ ocg oci ock oco ocs oct ogc ogg ogi ogo ogs ogt oic oii oik oio ois oit okc okg oki okk oko oks oo- ooc oog ooi ook ooo oos oot os- osc osg osi osk oso oss ost ot- otc otg oti otk oto ots ott scc scg sci sck sco scs sct sgc sgg sgi sgk sgo sgs sgt sic sig sii sik sio sis sit sk- skc skg ski skk sko sks skt soc sog soi sok soo sos sot ss- ssc ssg ssi ssk sso sss sst stc stg sti stk sto sts stt tcc tcg tci tck tco tcs tct tgc tgg tgi tgk tgo tgs tgt tic tig tii tik tio tis tit tkc tkg tkk tko tks tkt to- toc tog toi tok too tos tot tsc tsg tsi tsk tso tss tst ttc ttg tti ttk tto tts ttt