c-- ccc ccd ccn cco ccr cct ccu cdc cdd cdn cdo cdr cdt cdu cn- cnc cnd cnn cno cnr cnt cnu co- coc cod con coo cor cot cou crc crd crn cro crr crt cru ctc ctd ctn cto ctr ctt ctu cuc cud cun cuo cur cut cuu dcc dcd dcn dco dcr dct dcu ddc ddd ddn ddo ddr ddt ddu dnc dnd dnn dno dnr dnt doc dod don doo dor dot dou drc drd drn dro drr drt dru dtc dtd dtn dto dtr dtt dtu duc dud dun duo dur dut ncc ncd ncn nco ncr nct ncu ndc ndd ndn ndo ndr ndt ndu nnc nnn nno nnt nnu no- noc nod non noo nor not nou nrc nrd nrn nro nrr nrt nru ntc ntd ntn nto ntr ntt ntu nuc nud nun nuo nur nut nuu oc- occ ocd ocn oco ocr oct ocu odc odd odn odo odr odt odu on- onc ond onn ono onr ont onu oo- ooc ood oon ooo oor oot or- orc ord orn oro orr ort oru ot- otc otd otn oto otr ott otu ou- ouc oud oun ouo our out rcc rcd rcn rco rcr rct rcu rdc rdd rdn rdo rdr rdt rdu rnc rnd rnn rno rnr rnt rnu roc rod ron roo ror rot rou rrc rrd rrn rrr rrt rru rtc rtd rtn rto rtr rtt rtu ruc rud run ruo rur rut ruu tcc tcd tcn tco tcr tct tcu tdc tdd tdn tdo tdr tdt tdu tnc tnd tnn tno tnr tnt to- toc tod ton too tor tot tou trc trd trn tro trr trt tru ttc ttd ttn tto ttr ttt ttu tuc tud tun tuo tur tut tuu ucc ucd ucn uco ucr uct ucu udc udd udn udo udr udt udu un- unc und unn uno unr unt unu uoc uod uon uoo uor uot ur- urc urd urn uro urr urt uru utc utd utn uto utr utt utu uuc uun uur uut uuu