-er -ic c-- ccc cce ccf cch cci cck ccr ccs ce- cec cee cef ceh cei cek cer ces cfc cfe cff cfh cfi cfk cfr cfs ch- chc che chf chh chi chk chr chs ci- cic cie cif cih cii cik cir cis ckc ckh cki cks crc cre crf crh cri crk crr crs csc cse csf csh csi csk csr css ec- ecc ece ecf ech eci eck ecr ecs eec eee eef eek eer ees ef- efc efe eff efh efi efr efs ehc ehe ehf ehh ehi ehr ehs eic eie eif eii eik eir eis ekc eke ekf ekh eki ekr eks erc ere erf erh eri erk err ers es- esc ese esf esh esi esk esr ess fcc fce fcf fci fck fcr fcs fec fee fef feh fei fek fer fes ffc ffe fff ffh ffi ffk ffr ffs fhc fhe fhf fhh fhi fhr fhs fic fie fif fih fii fik fir fis fkc fkf fki fkk frc fre frf frh fri frk frr frs fsc fse fsf fsh fsi fsk fsr fss h-i hcc hce hcf hch hci hck hcr hcs he- hec hee hef heh hei hek her hes hfc hfe hff hfh hfi hfk hfr hfs hhc hhe hhf hhh hhi hhk hhr hhs hic hie hif hih hii hik hir his hkf hkh hki hkk hkr hks hr- hrc hre hrf hrh hri hrk hrr hrs hsc hse hsf hsh hsi hsk hsr hss i-f icc ice icf ich ici ick icr ics ie- iec iee ief iei iek ier ies ifc ife iff ifi ifr ifs ihc ihe ihf ihh ihi ihk ihr ihs iic iie iif iih iii iir iis ikc ike ikf iki ikk ikr iks ir- irc ire irf iri irk irr irs is- isc ise isf ish isi isk isr iss kcc kce kch kci kck kcr kcs ke- kec kee kef keh kei kek ker kes kfc kff kfh kfi kfs khe khf khh khi khk khr khs kic kie kif kih kii kik kir kis kkc kke kkh kki kkk kkr kks krc krf kri krk krr krs ksc kse ksf ksh ksi ksk ksr kss rcc rce rcf rch rci rcr rcs re- rec ree ref reh rei rek rer res rfc rfe rff rfh rfi rfk rfr rfs rh- rhc rhe rhf rhh rhi rhr rhs ric rie rif rih rii rik rir ris rkc rke rkf rkk rks rrc rrf rrh rri rrk rrr rrs rsc rse rsf rsh rsi rsk rsr rss scc sce scf sch sci sck scr scs se- sec see sef seh sei sek ser ses sfc sfe sff sfh sfi sfk sfr sfs sh- shc she shf shh shi shk shr shs sic sie sif sih sii sik sir sis sk- skc ske skf skh ski skk skr sks sr- src sre srf srh sri srk srr srs ss- ssc sse ssf ssh ssi ssk ssr sss