c-- c-j ccc cce ccj cck cco ccs cct ce- cec cee cej cek ceo ces cet cjc cjk cjs ckc cko cks ckt co- coc coe coj cok coo cos cot csc cse csj csk cso css cst ctc cte ctk cto cts ctt ec- ecc ece ecj eck eco ecs ect eec eee eek eeo ees eet ejc ejo ejt ekc eke eko eks ekt eo- eoc eoe eok eoo eos eot es- esc ese esk eso ess est etc ete etj etk eto ets ett jcc jce jck jco jcs jct jec jee jej jek jeo jes jet jjc jjj jjk jjs jkk jko jks jkt joc joe joj jok joo jos jot jsc jse jsj jsk jso jss jst jtc jte jtk jts jtt k-t kcc kce kck kcs kct ke- kec kee kek keo kes ket kjc kje kjs kkc kke kkk kks kkt koc koe kok koo kos kot ksc kse ksk kso kss kst ktc kte ktj ktk kto kts ktt oc- occ ocj ock oco ocs oct oec oee oeo oes oet ojc oje ojo ojs okc oke okj okk oko oks oo- ooc ook ooo oos oot os- osc ose osj osk oso oss ost ot- otc ote otk oto ots ott scc sce scj sck sco scs sct se- sec see sej sek seo ses set sjc sje sjj sjk sjs sjt sk- skc ske skj skk sko sks skt soc soe soj sok soo sos sot ss- ssc sse ssj ssk sso sss sst stc ste stj stk sto sts stt tcc tce tcj tck tco tcs tct te- tec tee tej tek teo tes tet tjc tje tjo tjs tkc tke tkk tko tks tkt to- toc toe toj tok too tos tot tsc tse tsj tsk tso tss tst ttc tte ttk tto tts ttt