-er -up c-- ccc cce ccf ccn cco ccp ccr ccu ce- cec cee cef cen ceo cep cer ceu cfc cfe cff cfn cfo cfp cfr cfu cn- cnc cne cnf cnn cno cnp cnr cnu co- coc coe cof con coo cop cor cou cpc cpe cpf cpn cpo cpp cpr cpu crc cre crf crn cro crp crr cru cuc cue cuf cun cuo cup cur cuu ec- ecc ece ecf ecn eco ecr ecu eec eee eef een eeo eep eer ef- efc efe eff efo efp efr en- enc ene enf enn eno enp enr enu eo- eoc eoe eof eon eoo eop eor eou ep- epc epe epf epn epo epp epr epu erc ere erf ern ero erp err eru eu- euc eue euf eun eup eur fcc fce fcf fcn fco fcp fcr fcu fec fee fef fen feo fep fer feu ffc ffe fff ffn ffo ffp ffr ffu fnc fne fnf fnn fnp fnr fnu foc foe fof fon foo fop for fou fpc fpe fpn fpo fpp fpr fpu frc fre frf frn fro frp frr fru fue fuf fun fuo fup fur fuu ncc nce ncf ncn nco ncp ncr ncu ne- nec nee nef nen neo nep ner neu nfc nfe nff nfn nfo nfp nfr nfu nnc nne nnf nnn nno nnp nnu no- noc noe nof non noo nop nor nou npc npe npf npn npo npp npr npu nrc nre nrf nrn nro nrp nrr nru nuc nue nun nuo nup nur nuu oc- occ ocf ocn oco ocp ocr ocu oec oee oef oen oeo oep oer of- ofc ofe off ofn ofo ofp ofr ofu on- onc one onf onn ono onp onr onu oo- ooc oof oon ooo oop oor op- opc ope opf opn opo opp opr or- orc ore orf orn oro orp orr oru ou- ouc oue ouf oun ouo oup our p-p pcc pce pcf pcn pco pcp pcr pcu pec pee pef pen peo pep per peu pfc pfe pff pfn pfo pfp pfr pfu pn- pnc pne pnf pnn pno pnp pnr pnu poc poe pof pon poo pop por pou ppc ppe ppf ppn ppo ppp ppr ppu prc pre prf prn pro prp prr pru puc pue puf pun pup pur puu rcc rce rcf rcn rco rcp rcr rcu re- rec ree ref ren reo rep rer reu rfc rfe rff rfn rfo rfp rfr rfu rnc rnn rno rnp rnr rnu roc roe rof ron roo rop ror rou rpc rpe rpf rpn rpo rpp rpr rpu rrc rrf rrn rrp rrr rru ruc rue ruf run ruo rup rur ruu ucc uce ucf ucn uco ucp ucr ucu uec uee uef uen uep uer ufc ufe uff ufn ufo ufp ufr ufu un- unc une unf unn uno unp unr unu uoc uoe uon uoo uop uor up- upc upe upf upn upo upp upr upu ur- urc ure urf urn uro urp urr uru uuc uue uun uur uuu