c-- ccc ccn cco ccs ccu ccx cn- cnc cnn cno cns cnu cnx co- coc con coo cos cou cox csc csn cso css csu csx cuc cun cuo cus cuu cxc cxo cxs cxx ncc ncn nco ncs ncu ncx nnc nnn nno nns nnu no- noc non noo nos nou nox nsc nsn nso nss nsu nsx nuc nun nuo nus nuu nux nxc oc- occ ocn oco ocs ocu ocx on- onc onn ono ons onu onx oo- ooc oon ooo oos oox os- osc osn oso oss osu osx ou- ouc oun ouo ous ox- oxc oxn oxo oxx scc scn sco scs scu scx snc snn sno sns snu soc son soo sos sou sox ss- ssc ssn sso sss ssu ssx suc sun suo sus suu sux sxc sxn sxs sxu ucc ucn uco ucs ucu un- unc unn uno uns unu unx uoc uon uoo uos uox usc usn uso uss usu usx uuc uun uus uuu uxc uxo uxu xcx xnc xno xns xnu xoc xon xoo xos xox xsc xss xun xus xxo xxx