-up c-- ccc ccn cco ccp ccr ccs ccu cn- cnc cnn cno cnp cnr cns cnu co- coc con coo cop cor cos cou cpc cpn cpo cpp cpr cps cpu crc crn cro crp crr crs cru csc csn cso csp csr css csu cuc cun cuo cup cur cus cuu ncc ncn nco ncp ncr ncs ncu nnc nnn nno nnp nns nnu no- noc non noo nop nor nos nou npc npn npo npp npr nps npu nrc nrn nro nrp nrr nrs nru nsc nsn nso nsp nsr nss nsu nuc nun nuo nup nur nus nuu oc- occ ocn oco ocp ocr ocs ocu on- onc onn ono onp onr ons onu oo- ooc oon ooo oop oor oos op- opc opn opo opp opr ops or- orc orn oro orp orr ors oru os- osc osn oso osp osr oss osu ou- ouc oun ouo oup our ous p-p pcc pcn pco pcp pcr pcs pcu pn- pnc pnn pno pnp pnr pns pnu poc pon poo pop por pos pou ppc ppn ppo ppp ppr pps ppu prc prn pro prp prr prs pru ps- psc psn pso psp psr pss psu puc pun pup pur pus puu rcc rcn rco rcp rcr rcs rcu rnc rnn rno rnp rnr rns rnu roc ron roo rop ror ros rou rpc rpn rpo rpp rpr rps rpu rrc rrn rrp rrr rrs rru rsc rsn rso rsp rsr rss rsu ruc run ruo rup rur rus ruu scc scn sco scp scr scs scu snc snn sno snp snr sns snu soc son soo sop sor sos sou spc spn spo spp spr sps spu sr- src srn sro srp srr srs ss- ssc ssn sso ssp ssr sss ssu suc sun suo sup sur sus suu ucc ucn uco ucp ucr ucs ucu un- unc unn uno unp unr uns unu uoc uon uoo uop uor uos up- upc upn upo upp upr ups upu ur- urc urn uro urp urr urs uru usc usn uso usp usr uss usu uuc uun uur uus uuu