c-- ccc ccd cck ccn cco ccs cct ccu cdc cdd cdk cdn cdo cds cdt cdu ckc ckd cko cks ckt cn- cnc cnd cnn cno cns cnt cnu co- coc cod cok con coo cos cot cou csc csd csk csn cso css cst csu ctc ctd ctk ctn cto cts ctt ctu cuc cud cuk cun cuo cus cut cuu dcc dcd dck dcn dco dcs dct dcu ddc ddd ddk ddn ddo dds ddt ddu dkc dkk dko dks dkt dku dnc dnd dnk dnn dno dns dnt doc dod dok don doo dos dot dou dsc dsd dsk dsn dso dss dst dsu dtc dtd dtk dtn dto dts dtt dtu duc dud duk dun duo dus dut k-t kcc kcd kck kcn kcs kct kcu kdc kdk kdo kds kdt kdu kkc kkk kkn kks kkt kku kn- knc knd knk knn kno knt knu koc kod kok kon koo kos kot kou ksc ksd ksk ksn kso kss kst ksu ktc ktk ktn kto kts ktt ktu kuc kud kuk kun kus kut kuu ncc ncd nck ncn nco ncs nct ncu ndc ndd ndk ndn ndo nds ndt ndu nkc nkk nkn nko nks nkt nku nnc nnk nnn nno nns nnt nnu no- noc nod nok non noo nos not nou nsc nsd nsk nsn nso nss nst nsu ntc ntd ntk ntn nto nts ntt ntu nuc nud nuk nun nuo nus nut nuu oc- occ ocd ock ocn oco ocs oct ocu odc odd odn odo ods odt odu okc okd okk oko oks oku on- onc ond onk onn ono ons ont onu oo- ooc ood ook oon ooo oos oot os- osc osd osk osn oso oss ost osu ot- otc otd otk otn oto ots ott otu ou- ouc oud ouk oun ouo ous out scc scd sck scn sco scs sct scu sdc sdd sdk sdn sdo sds sdt sdu sk- skc skd skk sko sks skt sku snc snd snk snn sno sns snt snu soc sod sok son soo sos sot sou ss- ssc ssd ssk ssn sso sss sst ssu stc std stk stn sto sts stt stu suc sud suk sun suo sus sut suu tcc tcd tck tcn tco tcs tct tcu tdc tdd tdk tdn tdo tds tdt tdu tkc tkk tko tks tkt tnc tnd tnk tnn tno tns tnt to- toc tod tok ton too tos tot tou tsc tsd tsk tsn tso tss tst tsu ttc ttd ttk ttn tto tts ttt ttu tuc tud tuk tun tuo tus tut tuu ucc ucd uck ucn uco ucs uct ucu udc udd udk udn udo uds udt udu ukc ukk ukn uku un- unc und unk unn uno uns unt unu uoc uod uok uon uoo uos uot usc usd usk usn uso uss ust usu utc utd utk utn uto uts utt utu uuc uun uus uut uuu