-er -ic c-- ccc cce ccf cci cco ccp ccr cct ce- cec cee cef cei ceo cep cer cet cfc cfe cff cfi cfo cfp cfr cft ci- cic cie cif cii cio cip cir cit co- coc coe cof coi coo cop cor cot cpc cpe cpf cpi cpo cpp cpr cpt crc cre crf cri cro crp crr crt ctc cte ctf cti cto ctp ctr ctt ec- ecc ece ecf eci eco ecr ect eec eee eef eeo eep eer eet ef- efc efe eff efi efo efp efr eft eic eie eif eii eio eip eir eit eo- eoc eoe eof eoi eoo eop eor eot ep- epc epe epf epi epo epp epr ept erc ere erf eri ero erp err ert etc ete etf eti eto etp etr ett fcc fce fcf fci fco fcp fcr fct fec fee fef fei feo fep fer fet ffc ffe fff ffi ffo ffp ffr fft fic fie fif fii fip fir fit foc foe fof foi foo fop for fot fpc fpe fpi fpo fpp fpr fpt frc fre frf fri fro frp frr frt ftc fte ftf fti fto ftp ftr ftt i-f icc ice icf ici ico icp icr ict ie- iec iee ief iei iep ier iet ifc ife iff ifi ifo ifp ifr ift iic iie iif iii iio iip iir iit io- ioc ioe iof ioi ioo iop ior iot ipc ipe ipf ipi ipo ipp ipr ipt ir- irc ire irf iri iro irp irr irt itc ite itf iti ito itp itt o-i oc- occ ocf oci oco ocp ocr oct oec oee oef oei oeo oep oer oet of- ofc ofe off ofi ofo ofp ofr oft oic oie oif oii oio oip oir oit oo- ooc oof ooi ooo oop oor oot op- opc ope opf opi opo opp opr opt or- orc ore orf ori oro orp orr ort ot- otc ote otf oti oto otp otr ott p-p pcc pce pcf pci pco pcp pcr pct pec pee pef pei peo pep per pet pfc pfe pff pfi pfo pfp pfr pft pic pie pif pii pio pip pir pit poc poe pof poi poo pop por pot ppc ppe ppf ppi ppo ppp ppr ppt prc pre prf pri pro prp prr prt pt- ptc pte ptf pti pto ptp ptr ptt rcc rce rcf rci rco rcp rcr rct re- rec ree ref rei reo rep rer ret rfc rfe rff rfi rfo rfp rfr rft ric rie rif rii rio rip rir rit roc roe rof roi roo rop ror rot rpc rpe rpf rpi rpo rpp rpr rpt rrc rrf rri rrp rrr rrt rtc rte rtf rti rto rtp rtr rtt tcc tce tcf tci tco tcp tcr tct te- tec tee tef tei teo tep ter tet tfc tfe tff tfi tfo tfp tfr tft tic tie tif tii tio tip tir tit to- toc toe tof toi too top tor tot tpc tpe tpf tpi tpo tpp tpr tpt trc tre trf tri tro trp trr trt ttc tte ttf tti tto ttp ttr ttt