-up c-- ccc ccf cck cco ccp ccs cct ccu cfc cff cfk cfo cfp cfs cft cfu ckc cko cks ckt co- coc cof cok coo cop cos cot cou cpc cpf cpk cpo cpp cps cpt cpu csc csf csk cso csp css cst csu ctc ctf ctk cto ctp cts ctt ctu cuc cuf cuk cuo cup cus cut cuu fcc fcf fck fco fcp fcs fct fcu ffc fff ffk ffo ffp ffs fft ffu fkc fkf fkk fkp fkt foc fof fok foo fop fos fot fou fpc fpk fpo fpp fps fpt fpu fsc fsf fsk fso fsp fss fst fsu ftc ftf ftk fto ftp fts ftt ftu fuf fuk fuo fup fus fut fuu k-t kcc kck kcp kcs kct kcu kfc kff kfo kfs kfu kkc kkk kkp kks kkt kku koc kof kok koo kop kos kot kou kpc kpf kpk kpo kpp kps kpt kpu ksc ksf ksk kso ksp kss kst ksu ktc ktf ktk kto ktp kts ktt ktu kuc kuk kup kus kut kuu oc- occ ocf ock oco ocp ocs oct ocu of- ofc off ofo ofp ofs oft ofu okc okk oko okp oks oku oo- ooc oof ook ooo oop oos oot op- opc opf opk opo opp ops opt os- osc osf osk oso osp oss ost osu ot- otc otf otk oto otp ots ott otu ou- ouc ouf ouk ouo oup ous out p-p pcc pcf pck pco pcp pcs pct pcu pfc pff pfk pfo pfp pfs pft pfu pkc pkf pko pkp pks pkt pku poc pof pok poo pop pos pot pou ppc ppf ppk ppo ppp pps ppt ppu ps- psc psf psk pso psp pss pst psu pt- ptc ptf ptk pto ptp pts ptt ptu puc puf puk pup pus put puu scc scf sck sco scp scs sct scu sfc sff sfk sfo sfp sfs sft sfu sk- skc skf skk sko skp sks skt sku soc sof sok soo sop sos sot sou spc spf spk spo spp sps spt spu ss- ssc ssf ssk sso ssp sss sst ssu stc stf stk sto stp sts stt stu suc suf suk suo sup sus sut suu tcc tcf tck tco tcp tcs tct tcu tfc tff tfk tfo tfp tfs tft tfu tkc tkk tko tkp tks tkt to- toc tof tok too top tos tot tou tpc tpf tpk tpo tpp tps tpt tpu tsc tsf tsk tso tsp tss tst tsu ttc ttf ttk tto ttp tts ttt ttu tuc tuf tuk tuo tup tus tut tuu ucc ucf uck uco ucp ucs uct ucu ufc uff ufo ufp ufs uft ufu ukc ukf ukk ukp uku uoc uok uoo uop uos uot up- upc upf upk upo upp ups upt upu usc usf usk uso usp uss ust usu utc utf utk uto utp uts utt utu uuc uus uut uuu