-up c-- ccc ccf ccn cco ccp ccr ccu cfc cff cfn cfo cfp cfr cfu cn- cnc cnf cnn cno cnp cnr cnu co- coc cof con coo cop cor cou cpc cpf cpn cpo cpp cpr cpu crc crf crn cro crp crr cru cuc cuf cun cuo cup cur cuu fcc fcf fcn fco fcp fcr fcu ffc fff ffn ffo ffp ffr ffu fnc fnf fnn fnp fnr fnu foc fof fon foo fop for fou fpc fpn fpo fpp fpr fpu frc frf frn fro frp frr fru fuf fun fuo fup fur fuu ncc ncf ncn nco ncp ncr ncu nfc nff nfn nfo nfp nfr nfu nnc nnf nnn nno nnp nnu no- noc nof non noo nop nor nou npc npf npn npo npp npr npu nrc nrf nrn nro nrp nrr nru nuc nun nuo nup nur nuu oc- occ ocf ocn oco ocp ocr ocu of- ofc off ofn ofo ofp ofr ofu on- onc onf onn ono onp onr onu oo- ooc oof oon ooo oop oor op- opc opf opn opo opp opr or- orc orf orn oro orp orr oru ou- ouc ouf oun ouo oup our p-p pcc pcf pcn pco pcp pcr pcu pfc pff pfn pfo pfp pfr pfu pn- pnc pnf pnn pno pnp pnr pnu poc pof pon poo pop por pou ppc ppf ppn ppo ppp ppr ppu prc prf prn pro prp prr pru puc puf pun pup pur puu rcc rcf rcn rco rcp rcr rcu rfc rff rfn rfo rfp rfr rfu rnc rnn rno rnp rnr rnu roc rof ron roo rop ror rou rpc rpf rpn rpo rpp rpr rpu rrc rrf rrn rrp rrr rru ruc ruf run ruo rup rur ruu ucc ucf ucn uco ucp ucr ucu ufc uff ufn ufo ufp ufr ufu un- unc unf unn uno unp unr unu uoc uon uoo uop uor up- upc upf upn upo upp upr upu ur- urc urf urn uro urp urr uru uuc uun uur uuu