-up c-- ccc ccd cck ccn cco ccp ccs cct ccu cdc cdd cdk cdn cdo cdp cds cdt cdu ckc ckd cko cks ckt cn- cnc cnd cnn cno cnp cns cnt cnu co- coc cod cok con coo cop cos cot cou cpc cpd cpk cpn cpo cpp cps cpt cpu csc csd csk csn cso csp css cst csu ctc ctd ctk ctn cto ctp cts ctt ctu cuc cud cuk cun cuo cup cus cut cuu dcc dcd dck dcn dco dcp dcs dct dcu ddc ddd ddk ddn ddo ddp dds ddt ddu dkc dkk dko dkp dks dkt dku dnc dnd dnk dnn dno dnp dns dnt doc dod dok don doo dop dos dot dou dpc dpd dpk dpn dpo dpp dps dpt dpu dsc dsd dsk dsn dso dsp dss dst dsu dtc dtd dtk dtn dto dtp dts dtt dtu duc dud duk dun duo dup dus dut k-t kcc kcd kck kcn kcp kcs kct kcu kdc kdk kdo kdp kds kdt kdu kkc kkk kkn kkp kks kkt kku kn- knc knd knk knn kno knp knt knu koc kod kok kon koo kop kos kot kou kpc kpd kpk kpn kpo kpp kps kpt kpu ksc ksd ksk ksn kso ksp kss kst ksu ktc ktk ktn kto ktp kts ktt ktu kuc kud kuk kun kup kus kut kuu ncc ncd nck ncn nco ncp ncs nct ncu ndc ndd ndk ndn ndo ndp nds ndt ndu nkc nkk nkn nko nkp nks nkt nku nnc nnk nnn nno nnp nns nnt nnu no- noc nod nok non noo nop nos not nou npc npd npn npo npp nps npt npu nsc nsd nsk nsn nso nsp nss nst nsu ntc ntd ntk ntn nto ntp nts ntt ntu nuc nud nuk nun nuo nup nus nut nuu oc- occ ocd ock ocn oco ocp ocs oct ocu odc odd odn odo odp ods odt odu okc okd okk oko okp oks oku on- onc ond onk onn ono onp ons ont onu oo- ooc ood ook oon ooo oop oos oot op- opc opd opk opn opo opp ops opt os- osc osd osk osn oso osp oss ost osu ot- otc otd otk otn oto otp ots ott otu ou- ouc oud ouk oun ouo oup ous out p-p pcc pcd pck pcn pco pcp pcs pct pcu pdc pdd pdk pdn pdo pdp pds pdt pdu pkc pkd pkn pko pkp pks pkt pku pn- pnc pnd pnk pnn pno pnp pns pnt pnu poc pod pok pon poo pop pos pot pou ppc ppd ppk ppn ppo ppp pps ppt ppu ps- psc psd psk psn pso psp pss pst psu pt- ptc ptd ptk ptn pto ptp pts ptt ptu puc pud puk pun pup pus put puu scc scd sck scn sco scp scs sct scu sdc sdd sdk sdn sdo sdp sds sdt sdu sk- skc skd skk sko skp sks skt sku snc snd snk snn sno snp sns snt snu soc sod sok son soo sop sos sot sou spc spd spk spn spo spp sps spt spu ss- ssc ssd ssk ssn sso ssp sss sst ssu stc std stk stn sto stp sts stt stu suc sud suk sun suo sup sus sut suu tcc tcd tck tcn tco tcp tcs tct tcu tdc tdd tdk tdn tdo tdp tds tdt tdu tkc tkk tko tkp tks tkt tnc tnd tnk tnn tno tnp tns tnt to- toc tod tok ton too top tos tot tou tpc tpd tpk tpn tpo tpp tps tpt tpu tsc tsd tsk tsn tso tsp tss tst tsu ttc ttd ttk ttn tto ttp tts ttt ttu tuc tud tuk tun tuo tup tus tut tuu ucc ucd uck ucn uco ucp ucs uct ucu udc udd udk udn udo udp uds udt udu ukc ukk ukn ukp uku un- unc und unk unn uno unp uns unt unu uoc uod uok uon uoo uop uos uot up- upc upd upk upn upo upp ups upt upu usc usd usk usn uso usp uss ust usu utc utd utk utn uto utp uts utt utu uuc uun uus uut uuu