-up c-- ccc ccn ccp ccs cct ccu cn- cnc cnn cnp cns cnt cnu cpc cpn cpp cps cpt cpu csc csn csp css cst csu ctc ctn ctp cts ctt ctu cuc cun cup cus cut cuu ncc ncn ncp ncs nct ncu nnc nnn nnp nns nnt nnu npc npn npp nps npt npu nsc nsn nsp nss nst nsu ntc ntn ntp nts ntt ntu nuc nun nup nus nut nuu p-p pcc pcn pcp pcs pct pcu pn- pnc pnn pnp pns pnt pnu ppc ppn ppp pps ppt ppu ps- psc psn psp pss pst psu pt- ptc ptn ptp pts ptt ptu puc pun pup pus put puu scc scn scp scs sct scu snc snn snp sns snt snu spc spn spp sps spt spu ss- ssc ssn ssp sss sst ssu stc stn stp sts stt stu suc sun sup sus sut suu tcc tcn tcp tcs tct tcu tnc tnn tnp tns tnt tpc tpn tpp tps tpt tpu tsc tsn tsp tss tst tsu ttc ttn ttp tts ttt ttu tuc tun tup tus tut tuu ucc ucn ucp ucs uct ucu un- unc unn unp uns unt unu up- upc upn upp ups upt upu usc usn usp uss ust usu utc utn utp uts utt utu uuc uun uus uut uuu