-up c-- ccc ccn cco ccp ccr ccu cn- cnc cnn cno cnp cnr cnu co- coc con coo cop cor cou cpc cpn cpo cpp cpr cpu crc crn cro crp crr cru cuc cun cuo cup cur cuu ncc ncn nco ncp ncr ncu nnc nnn nno nnp nnu no- noc non noo nop nor nou npc npn npo npp npr npu nrc nrn nro nrp nrr nru nuc nun nuo nup nur nuu oc- occ ocn oco ocp ocr ocu on- onc onn ono onp onr onu oo- ooc oon ooo oop oor op- opc opn opo opp opr or- orc orn oro orp orr oru ou- ouc oun ouo oup our p-p pcc pcn pco pcp pcr pcu pn- pnc pnn pno pnp pnr pnu poc pon poo pop por pou ppc ppn ppo ppp ppr ppu prc prn pro prp prr pru puc pun pup pur puu rcc rcn rco rcp rcr rcu rnc rnn rno rnp rnr rnu roc ron roo rop ror rou rpc rpn rpo rpp rpr rpu rrc rrn rrp rrr rru ruc run ruo rup rur ruu ucc ucn uco ucp ucr ucu un- unc unn uno unp unr unu uoc uon uoo uop uor up- upc upn upo upp upr upu ur- urc urn uro urp urr uru uuc uun uur uuu