-up c-- ccc ccn ccp ccs ccu cn- cnc cnn cnp cns cnu cpc cpn cpp cps cpu csc csn csp css csu cuc cun cup cus cuu ncc ncn ncp ncs ncu nnc nnn nnp nns nnu npc npn npp nps npu nsc nsn nsp nss nsu nuc nun nup nus nuu p-p pcc pcn pcp pcs pcu pn- pnc pnn pnp pns pnu ppc ppn ppp pps ppu ps- psc psn psp pss psu puc pun pup pus puu scc scn scp scs scu snc snn snp sns snu spc spn spp sps spu ss- ssc ssn ssp sss ssu suc sun sup sus suu ucc ucn ucp ucs ucu un- unc unn unp uns unu up- upc upn upp ups upu usc usn usp uss usu uuc uun uus uuu