-er -ic c-- ccc cce ccf cch cci cco ccr ce- cec cee cef ceh cei ceo cer cfc cfe cff cfh cfi cfo cfr ch- chc che chf chh chi cho chr ci- cic cie cif cih cii cio cir co- coc coe cof coh coi coo cor crc cre crf crh cri cro crr ec- ecc ece ecf ech eci eco ecr eec eee eef eeo eer ef- efc efe eff efh efi efo efr ehc ehe ehf ehh ehi eho ehr eic eie eif eii eio eir eo- eoc eoe eof eoh eoi eoo eor erc ere erf erh eri ero err fcc fce fcf fci fco fcr fec fee fef feh fei feo fer ffc ffe fff ffh ffi ffo ffr fhc fhe fhf fhh fhi fho fhr fic fie fif fih fii fir foc foe fof foh foi foo for frc fre frf frh fri fro frr h-i hcc hce hcf hch hci hco hcr he- hec hee hef heh hei heo her hfc hfe hff hfh hfi hfo hfr hhc hhe hhf hhh hhi hho hhr hic hie hif hih hii hio hir hoc hoe hof hoh hoi hoo hor hr- hrc hre hrf hrh hri hro hrr i-f icc ice icf ich ici ico icr ie- iec iee ief iei ier ifc ife iff ifi ifo ifr ihc ihe ihf ihh ihi iho ihr iic iie iif iih iii iio iir io- ioc ioe iof ioh ioi ioo ior ir- irc ire irf iri iro irr o-i oc- occ ocf och oci oco ocr oec oee oef oeh oei oeo oer of- ofc ofe off ofi ofo ofr ohc ohe ohf ohh ohi oho ohr oic oie oif oii oio oir oo- ooc oof ooh ooi ooo oor or- orc ore orf orh ori oro orr rcc rce rcf rch rci rco rcr re- rec ree ref reh rei reo rer rfc rfe rff rfh rfi rfo rfr rh- rhc rhe rhf rhh rhi rho rhr ric rie rif rih rii rio rir roc roe rof roh roi roo ror rrc rrf rrh rri rrr