-er -ic c-- ccc cce ccf cch cci ccr ccs ce- cec cee cef ceh cei cer ces cfc cfe cff cfh cfi cfr cfs ch- chc che chf chh chi chr chs ci- cic cie cif cih cii cir cis crc cre crf crh cri crr crs csc cse csf csh csi csr css ec- ecc ece ecf ech eci ecr ecs eec eee eef eer ees ef- efc efe eff efh efi efr efs ehc ehe ehf ehh ehi ehr ehs eic eie eif eii eir eis erc ere erf erh eri err ers es- esc ese esf esh esi esr ess fcc fce fcf fci fcr fcs fec fee fef feh fei fer fes ffc ffe fff ffh ffi ffr ffs fhc fhe fhf fhh fhi fhr fhs fic fie fif fih fii fir fis frc fre frf frh fri frr frs fsc fse fsf fsh fsi fsr fss h-i hcc hce hcf hch hci hcr hcs he- hec hee hef heh hei her hes hfc hfe hff hfh hfi hfr hfs hhc hhe hhf hhh hhi hhr hhs hic hie hif hih hii hir his hr- hrc hre hrf hrh hri hrr hrs hsc hse hsf hsh hsi hsr hss i-f icc ice icf ich ici icr ics ie- iec iee ief iei ier ies ifc ife iff ifi ifr ifs ihc ihe ihf ihh ihi ihr ihs iic iie iif iih iii iir iis ir- irc ire irf iri irr irs is- isc ise isf ish isi isr iss rcc rce rcf rch rci rcr rcs re- rec ree ref reh rei rer res rfc rfe rff rfh rfi rfr rfs rh- rhc rhe rhf rhh rhi rhr rhs ric rie rif rih rii rir ris rrc rrf rrh rri rrr rrs rsc rse rsf rsh rsi rsr rss scc sce scf sch sci scr scs se- sec see sef seh sei ser ses sfc sfe sff sfh sfi sfr sfs sh- shc she shf shh shi shr shs sic sie sif sih sii sir sis sr- src sre srf srh sri srr srs ss- ssc sse ssf ssh ssi ssr sss