c-- ccc ccf ccn cco ccs ccu cfc cff cfn cfo cfs cfu cn- cnc cnf cnn cno cns cnu co- coc cof con coo cos cou csc csf csn cso css csu cuc cuf cun cuo cus cuu fcc fcf fcn fco fcs fcu ffc fff ffn ffo ffs ffu fnc fnf fnn fns fnu foc fof fon foo fos fou fsc fsf fsn fso fss fsu fuf fun fuo fus fuu ncc ncf ncn nco ncs ncu nfc nff nfn nfo nfs nfu nnc nnf nnn nno nns nnu no- noc nof non noo nos nou nsc nsf nsn nso nss nsu nuc nun nuo nus nuu oc- occ ocf ocn oco ocs ocu of- ofc off ofn ofo ofs ofu on- onc onf onn ono ons onu oo- ooc oof oon ooo oos os- osc osf osn oso oss osu ou- ouc ouf oun ouo ous scc scf scn sco scs scu sfc sff sfn sfo sfs sfu snc snf snn sno sns snu soc sof son soo sos sou ss- ssc ssf ssn sso sss ssu suc suf sun suo sus suu ucc ucf ucn uco ucs ucu ufc uff ufn ufo ufs ufu un- unc unf unn uno uns unu uoc uon uoo uos usc usf usn uso uss usu uuc uun uus uuu