c-- ccc ccd ccn cco cct ccu cdc cdd cdn cdo cdt cdu cn- cnc cnd cnn cno cnt cnu co- coc cod con coo cot cou ctc ctd ctn cto ctt ctu cuc cud cun cuo cut cuu dcc dcd dcn dco dct dcu ddc ddd ddn ddo ddt ddu dnc dnd dnn dno dnt doc dod don doo dot dou dtc dtd dtn dto dtt dtu duc dud dun duo dut ncc ncd ncn nco nct ncu ndc ndd ndn ndo ndt ndu nnc nnn nno nnt nnu no- noc nod non noo not nou ntc ntd ntn nto ntt ntu nuc nud nun nuo nut nuu oc- occ ocd ocn oco oct ocu odc odd odn odo odt odu on- onc ond onn ono ont onu oo- ooc ood oon ooo oot ot- otc otd otn oto ott otu ou- ouc oud oun ouo out tcc tcd tcn tco tct tcu tdc tdd tdn tdo tdt tdu tnc tnd tnn tno tnt to- toc tod ton too tot tou ttc ttd ttn tto ttt ttu tuc tud tun tuo tut tuu ucc ucd ucn uco uct ucu udc udd udn udo udt udu un- unc und unn uno unt unu uoc uod uon uoo uot utc utd utn uto utt utu uuc uun uut uuu