-up c-- ccc cck ccp ccs cct ccu ckc cks ckt cpc cpk cpp cps cpt cpu csc csk csp css cst csu ctc ctk ctp cts ctt ctu cuc cuk cup cus cut cuu k-t kcc kck kcp kcs kct kcu kkc kkk kkp kks kkt kku kpc kpk kpp kps kpt kpu ksc ksk ksp kss kst ksu ktc ktk ktp kts ktt ktu kuc kuk kup kus kut kuu p-p pcc pck pcp pcs pct pcu pkc pkp pks pkt pku ppc ppk ppp pps ppt ppu ps- psc psk psp pss pst psu pt- ptc ptk ptp pts ptt ptu puc puk pup pus put puu scc sck scp scs sct scu sk- skc skk skp sks skt sku spc spk spp sps spt spu ss- ssc ssk ssp sss sst ssu stc stk stp sts stt stu suc suk sup sus sut suu tcc tck tcp tcs tct tcu tkc tkk tkp tks tkt tpc tpk tpp tps tpt tpu tsc tsk tsp tss tst tsu ttc ttk ttp tts ttt ttu tuc tuk tup tus tut tuu ucc uck ucp ucs uct ucu ukc ukk ukp uku up- upc upk upp ups upt upu usc usk usp uss ust usu utc utk utp uts utt utu uuc uus uut uuu