-er -ic -up c-- ccc cce ccf cci cco ccp ccr ccu ce- cec cee cef cei ceo cep cer ceu cfc cfe cff cfi cfo cfp cfr cfu ci- cic cie cif cii cio cip cir ciu co- coc coe cof coi coo cop cor cou cpc cpe cpf cpi cpo cpp cpr cpu crc cre crf cri cro crp crr cru cuc cue cuf cui cuo cup cur cuu ec- ecc ece ecf eci eco ecr ecu eec eee eef eeo eep eer ef- efc efe eff efi efo efp efr eic eie eif eii eio eip eir eiu eo- eoc eoe eof eoi eoo eop eor eou ep- epc epe epf epi epo epp epr epu erc ere erf eri ero erp err eru eu- euc eue euf eui eup eur fcc fce fcf fci fco fcp fcr fcu fec fee fef fei feo fep fer feu ffc ffe fff ffi ffo ffp ffr ffu fic fie fif fii fip fir fiu foc foe fof foi foo fop for fou fpc fpe fpi fpo fpp fpr fpu frc fre frf fri fro frp frr fru fue fuf fui fuo fup fur fuu i-f icc ice icf ici ico icp icr icu ie- iec iee ief iei iep ier ifc ife iff ifi ifo ifp ifr ifu iic iie iif iii iio iip iir iiu io- ioc ioe iof ioi ioo iop ior iou ipc ipe ipf ipi ipo ipp ipr ipu ir- irc ire irf iri iro irp irr iru iu- iuc iue iui iup iur o-i oc- occ ocf oci oco ocp ocr ocu oec oee oef oei oeo oep oer of- ofc ofe off ofi ofo ofp ofr ofu oic oie oif oii oio oip oir oiu oo- ooc oof ooi ooo oop oor op- opc ope opf opi opo opp opr or- orc ore orf ori oro orp orr oru ou- ouc oue ouf oui ouo oup our p-p pcc pce pcf pci pco pcp pcr pcu pec pee pef pei peo pep per peu pfc pfe pff pfi pfo pfp pfr pfu pic pie pif pii pio pip pir piu poc poe pof poi poo pop por pou ppc ppe ppf ppi ppo ppp ppr ppu prc pre prf pri pro prp prr pru puc pue puf pui pup pur puu rcc rce rcf rci rco rcp rcr rcu re- rec ree ref rei reo rep rer reu rfc rfe rff rfi rfo rfp rfr rfu ric rie rif rii rio rip rir roc roe rof roi roo rop ror rou rpc rpe rpf rpi rpo rpp rpr rpu rrc rrf rri rrp rrr rru ruc rue ruf rui ruo rup rur ruu ucc uce ucf uci uco ucp ucr ucu uec uee uef uei uep uer ufc ufe uff ufi ufo ufp ufr ufu uic uie uif uii uio uip uir uiu uoc uoe uoo uop uor up- upc upe upf upi upo upp upr upu ur- urc ure urf uri uro urp urr uru uuc uue uur uuu