-ic c-- ccc cce ccg cci cck cco ccs cct ce- cec cee ceg cei cek ceo ces cet cgc cge cgg cgi cgo cgs cgt ci- cic cie cig cii cik cio cis cit ckc cki cko cks ckt co- coc coe cog coi cok coo cos cot csc cse csg csi csk cso css cst ctc cte ctg cti ctk cto cts ctt ec- ecc ece ecg eci eck eco ecs ect eec eee eeg eek eeo ees eet egc ege egg egi ego egs egt eic eie eig eii eik eio eis eit ekc eke ekg eki eko eks ekt eo- eoc eoe eog eoi eok eoo eos eot es- esc ese esg esi esk eso ess est etc ete etg eti etk eto ets ett gcc gce gcg gci gck gco gcs gct ge- gec gee geg gei gek geo ges get ggc ggg ggi ggo ggs ggt gic gie gig gii gik gio gis git gko gks gkt goc goe gog goi gok goo gos got gsc gse gsg gsi gsk gso gss gst gtc gte gtg gti gtk gto gts gtt icc ice icg ici ick ico ics ict ie- iec iee ieg iei iek ies iet igc ige igg igi igk igo igs igt iic iie iii iio iis iit ikc ike iki ikk iko iks ikt io- ioc ioe iog ioi ioo ios iot is- isc ise isg isi isk iso iss ist itc ite itg iti itk ito its itt k-t kcc kce kcg kci kck kcs kct ke- kec kee keg kei kek keo kes ket kgc kgi kgo kgs kic kie kig kii kik kio kis kit kkc kke kki kkk kks kkt koc koe kog koi kok koo kos kot ksc kse ksg ksi ksk kso kss kst ktc kte ktg ktk kto kts ktt o-i oc- occ ocg oci ock oco ocs oct oec oee oeg oei oeo oes oet ogc oge ogg ogi ogo ogs ogt oic oie oii oik oio ois oit okc oke okg oki okk oko oks oo- ooc oog ooi ook ooo oos oot os- osc ose osg osi osk oso oss ost ot- otc ote otg oti otk oto ots ott scc sce scg sci sck sco scs sct se- sec see seg sei sek seo ses set sgc sge sgg sgi sgk sgo sgs sgt sic sie sig sii sik sio sis sit sk- skc ske skg ski skk sko sks skt soc soe sog soi sok soo sos sot ss- ssc sse ssg ssi ssk sso sss sst stc ste stg sti stk sto sts stt tcc tce tcg tci tck tco tcs tct te- tec tee teg tei tek teo tes tet tgc tge tgg tgi tgk tgo tgs tgt tic tie tig tii tik tio tis tit tkc tke tkg tkk tko tks tkt to- toc toe tog toi tok too tos tot tsc tse tsg tsi tsk tso tss tst ttc tte ttg tti ttk tto tts ttt