-up c-- ccc cck cco ccp ccs cct ccu ckc cko cks ckt co- coc cok coo cop cos cot cou cpc cpk cpo cpp cps cpt cpu csc csk cso csp css cst csu ctc ctk cto ctp cts ctt ctu cuc cuk cuo cup cus cut cuu k-t kcc kck kcp kcs kct kcu kkc kkk kkp kks kkt kku koc kok koo kop kos kot kou kpc kpk kpo kpp kps kpt kpu ksc ksk kso ksp kss kst ksu ktc ktk kto ktp kts ktt ktu kuc kuk kup kus kut kuu oc- occ ock oco ocp ocs oct ocu okc okk oko okp oks oku oo- ooc ook ooo oop oos oot op- opc opk opo opp ops opt os- osc osk oso osp oss ost osu ot- otc otk oto otp ots ott otu ou- ouc ouk ouo oup ous out p-p pcc pck pco pcp pcs pct pcu pkc pko pkp pks pkt pku poc pok poo pop pos pot pou ppc ppk ppo ppp pps ppt ppu ps- psc psk pso psp pss pst psu pt- ptc ptk pto ptp pts ptt ptu puc puk pup pus put puu scc sck sco scp scs sct scu sk- skc skk sko skp sks skt sku soc sok soo sop sos sot sou spc spk spo spp sps spt spu ss- ssc ssk sso ssp sss sst ssu stc stk sto stp sts stt stu suc suk suo sup sus sut suu tcc tck tco tcp tcs tct tcu tkc tkk tko tkp tks tkt to- toc tok too top tos tot tou tpc tpk tpo tpp tps tpt tpu tsc tsk tso tsp tss tst tsu ttc ttk tto ttp tts ttt ttu tuc tuk tuo tup tus tut tuu ucc uck uco ucp ucs uct ucu ukc ukk ukp uku uoc uok uoo uop uos uot up- upc upk upo upp ups upt upu usc usk uso usp uss ust usu utc utk uto utp uts utt utu uuc uus uut uuu