c-- ccc ccn cco ccs cct ccu cn- cnc cnn cno cns cnt cnu co- coc con coo cos cot cou csc csn cso css cst csu ctc ctn cto cts ctt ctu cuc cun cuo cus cut cuu ncc ncn nco ncs nct ncu nnc nnn nno nns nnt nnu no- noc non noo nos not nou nsc nsn nso nss nst nsu ntc ntn nto nts ntt ntu nuc nun nuo nus nut nuu oc- occ ocn oco ocs oct ocu on- onc onn ono ons ont onu oo- ooc oon ooo oos oot os- osc osn oso oss ost osu ot- otc otn oto ots ott otu ou- ouc oun ouo ous out scc scn sco scs sct scu snc snn sno sns snt snu soc son soo sos sot sou ss- ssc ssn sso sss sst ssu stc stn sto sts stt stu suc sun suo sus sut suu tcc tcn tco tcs tct tcu tnc tnn tno tns tnt to- toc ton too tos tot tou tsc tsn tso tss tst tsu ttc ttn tto tts ttt ttu tuc tun tuo tus tut tuu ucc ucn uco ucs uct ucu un- unc unn uno uns unt unu uoc uon uoo uos uot usc usn uso uss ust usu utc utn uto uts utt utu uuc uun uus uut uuu