c-- ccc cce cck cco ccs cct ccu ce- cec cee cek ceo ceq ces cet ceu ckc cko cks ckt co- coc coe cok coo coq cos cot cou cqc cqo cqs cqt csc cse csk cso csq css cst csu ctc cte ctk cto ctq cts ctt ctu cuc cue cuk cuo cuq cus cut cuu ec- ecc ece eck eco ecq ecs ect ecu eec eee eek eeo ees eet ekc eke eko eks ekt eku eo- eoc eoe eok eoo eoq eos eot eou eqe eqq eqs eqt equ es- esc ese esk eso esq ess est esu etc ete etk eto ets ett etu eu- euc eue eus eut k-t kcc kce kck kcs kct kcu ke- kec kee kek keo kes ket kkc kke kkk kks kkt kku koc koe kok koo kos kot kou ksc kse ksk kso kss kst ksu ktc kte ktk kto kts ktt ktu kuc kue kuk kus kut kuu oc- occ ock oco ocs oct ocu oec oee oeo oes oet okc oke okk oko oks oku oo- ooc ook ooo oos oot oqo os- osc ose osk oso osq oss ost osu ot- otc ote otk oto ots ott otu ou- ouc oue ouk ouo ous out qcc qco qcs qct qec qee qeo qet qoo qos qqk qqq qqu qsc qso qst qtc qto qtq qts qu- que quo qus qut scc sce sck sco scs sct scu se- sec see sek seo seq ses set seu sk- skc ske skk sko skq sks skt sku soc soe sok soo soq sos sot sou sqq sqs ss- ssc sse ssk sso ssq sss sst ssu stc ste stk sto stq sts stt stu suc sue suk suo suq sus sut suu tcc tce tck tco tcs tct tcu te- tec tee tek teo teq tes tet teu tkc tke tkk tko tks tkt to- toc toe tok too toq tos tot tou tqo tsc tse tsk tso tsq tss tst tsu ttc tte ttk tto tts ttt ttu tuc tue tuk tuo tus tut tuu ucc uce uck uco ucs uct ucu uec uee ues uet ukc uke ukk uku uoc uoe uok uoo uos uot usc use usk uso uss ust usu utc ute utk uto uts utt utu uuc uue uus uut uuu