-ic c-- ccc ccf cch cci ccr ccs cfc cff cfh cfi cfr cfs ch- chc chf chh chi chr chs ci- cic cif cih cii cir cis crc crf crh cri crr crs csc csf csh csi csr css fcc fcf fci fcr fcs ffc fff ffh ffi ffr ffs fhc fhf fhh fhi fhr fhs fic fif fih fii fir fis frc frf frh fri frr frs fsc fsf fsh fsi fsr fss h-i hcc hcf hch hci hcr hcs hfc hff hfh hfi hfr hfs hhc hhf hhh hhi hhr hhs hic hif hih hii hir his hr- hrc hrf hrh hri hrr hrs hsc hsf hsh hsi hsr hss i-f icc icf ich ici icr ics ifc iff ifi ifr ifs ihc ihf ihh ihi ihr ihs iic iif iih iii iir iis ir- irc irf iri irr irs is- isc isf ish isi isr iss rcc rcf rch rci rcr rcs rfc rff rfh rfi rfr rfs rh- rhc rhf rhh rhi rhr rhs ric rif rih rii rir ris rrc rrf rrh rri rrr rrs rsc rsf rsh rsi rsr rss scc scf sch sci scr scs sfc sff sfh sfi sfr sfs sh- shc shf shh shi shr shs sic sif sih sii sir sis sr- src srf srh sri srr srs ss- ssc ssf ssh ssi ssr sss