-er -ic c-- ccc cce ccf cch cci cco ccr ccs ce- cec cee cef ceh cei ceo cer ces cfc cfe cff cfh cfi cfo cfr cfs ch- chc che chf chh chi cho chr chs ci- cic cie cif cih cii cio cir cis co- coc coe cof coh coi coo cor cos crc cre crf crh cri cro crr crs csc cse csf csh csi cso csr css ec- ecc ece ecf ech eci eco ecr ecs eec eee eef eeo eer ees ef- efc efe eff efh efi efo efr efs ehc ehe ehf ehh ehi eho ehr ehs eic eie eif eii eio eir eis eo- eoc eoe eof eoh eoi eoo eor eos erc ere erf erh eri ero err ers es- esc ese esf esh esi eso esr ess fcc fce fcf fci fco fcr fcs fec fee fef feh fei feo fer fes ffc ffe fff ffh ffi ffo ffr ffs fhc fhe fhf fhh fhi fho fhr fhs fic fie fif fih fii fir fis foc foe fof foh foi foo for fos frc fre frf frh fri fro frr frs fsc fse fsf fsh fsi fso fsr fss h-i hcc hce hcf hch hci hco hcr hcs he- hec hee hef heh hei heo her hes hfc hfe hff hfh hfi hfo hfr hfs hhc hhe hhf hhh hhi hho hhr hhs hic hie hif hih hii hio hir his hoc hoe hof hoh hoi hoo hor hos hr- hrc hre hrf hrh hri hro hrr hrs hsc hse hsf hsh hsi hsr hss i-f icc ice icf ich ici ico icr ics ie- iec iee ief iei ier ies ifc ife iff ifi ifo ifr ifs ihc ihe ihf ihh ihi iho ihr ihs iic iie iif iih iii iio iir iis io- ioc ioe iof ioh ioi ioo ior ios ir- irc ire irf iri iro irr irs is- isc ise isf ish isi iso isr iss o-i oc- occ ocf och oci oco ocr ocs oec oee oef oeh oei oeo oer oes of- ofc ofe off ofi ofo ofr ofs ohc ohe ohf ohh ohi oho ohr ohs oic oie oif oii oio oir ois oo- ooc oof ooh ooi ooo oor oos or- orc ore orf orh ori oro orr ors os- osc ose osf osh osi oso osr oss rcc rce rcf rch rci rco rcr rcs re- rec ree ref reh rei reo rer res rfc rfe rff rfh rfi rfo rfr rfs rh- rhc rhe rhf rhh rhi rho rhr rhs ric rie rif rih rii rio rir ris roc roe rof roh roi roo ror ros rrc rrf rrh rri rrr rrs rsc rse rsf rsh rsi rso rsr rss scc sce scf sch sci sco scr scs se- sec see sef seh sei seo ser ses sfc sfe sff sfh sfi sfo sfr sfs sh- shc she shf shh shi sho shr shs sic sie sif sih sii sio sir sis soc soe sof soh soi soo sor sos sr- src sre srf srh sri sro srr srs ss- ssc sse ssf ssh ssi sso ssr sss