c-- ccc ccd ccn cco ccr ccs cct ccu cdc cdd cdn cdo cdr cds cdt cdu cn- cnc cnd cnn cno cnr cns cnt cnu co- coc cod con coo cor cos cot cou crc crd crn cro crr crs crt cru csc csd csn cso csr css cst csu ctc ctd ctn cto ctr cts ctt ctu cuc cud cun cuo cur cus cut cuu dcc dcd dcn dco dcr dcs dct dcu ddc ddd ddn ddo ddr dds ddt ddu dnc dnd dnn dno dnr dns dnt doc dod don doo dor dos dot dou drc drd drn dro drr drs drt dru dsc dsd dsn dso dsr dss dst dsu dtc dtd dtn dto dtr dts dtt dtu duc dud dun duo dur dus dut ncc ncd ncn nco ncr ncs nct ncu ndc ndd ndn ndo ndr nds ndt ndu nnc nnn nno nns nnt nnu no- noc nod non noo nor nos not nou nrc nrd nrn nro nrr nrs nrt nru nsc nsd nsn nso nsr nss nst nsu ntc ntd ntn nto ntr nts ntt ntu nuc nud nun nuo nur nus nut nuu oc- occ ocd ocn oco ocr ocs oct ocu odc odd odn odo odr ods odt odu on- onc ond onn ono onr ons ont onu oo- ooc ood oon ooo oor oos oot or- orc ord orn oro orr ors ort oru os- osc osd osn oso osr oss ost osu ot- otc otd otn oto otr ots ott otu ou- ouc oud oun ouo our ous out rcc rcd rcn rco rcr rcs rct rcu rdc rdd rdn rdo rdr rds rdt rdu rnc rnd rnn rno rnr rns rnt rnu roc rod ron roo ror ros rot rou rrc rrd rrn rrr rrs rrt rru rsc rsd rsn rso rsr rss rst rsu rtc rtd rtn rto rtr rts rtt rtu ruc rud run ruo rur rus rut ruu scc scd scn sco scr scs sct scu sdc sdd sdn sdo sdr sds sdt sdu snc snd snn sno snr sns snt snu soc sod son soo sor sos sot sou sr- src srd srn sro srr srs srt ss- ssc ssd ssn sso ssr sss sst ssu stc std stn sto str sts stt stu suc sud sun suo sur sus sut suu tcc tcd tcn tco tcr tcs tct tcu tdc tdd tdn tdo tdr tds tdt tdu tnc tnd tnn tno tnr tns tnt to- toc tod ton too tor tos tot tou trc trd trn tro trr trs trt tru tsc tsd tsn tso tsr tss tst tsu ttc ttd ttn tto ttr tts ttt ttu tuc tud tun tuo tur tus tut tuu ucc ucd ucn uco ucr ucs uct ucu udc udd udn udo udr uds udt udu un- unc und unn uno unr uns unt unu uoc uod uon uoo uor uos uot ur- urc urd urn uro urr urs urt uru usc usd usn uso usr uss ust usu utc utd utn uto utr uts utt utu uuc uun uur uus uut uuu