-er -ic c-- ccc cce ccf cch cci cck ccr ce- cec cee cef ceh cei cek cer cfc cfe cff cfh cfi cfk cfr ch- chc che chf chh chi chk chr ci- cic cie cif cih cii cik cir ckc ckh cki crc cre crf crh cri crk crr ec- ecc ece ecf ech eci eck ecr eec eee eef eek eer ef- efc efe eff efh efi efr ehc ehe ehf ehh ehi ehr eic eie eif eii eik eir ekc eke ekf ekh eki ekr erc ere erf erh eri erk err fcc fce fcf fci fck fcr fec fee fef feh fei fek fer ffc ffe fff ffh ffi ffk ffr fhc fhe fhf fhh fhi fhr fic fie fif fih fii fik fir fkc fkf fki fkk frc fre frf frh fri frk frr h-i hcc hce hcf hch hci hck hcr he- hec hee hef heh hei hek her hfc hfe hff hfh hfi hfk hfr hhc hhe hhf hhh hhi hhk hhr hic hie hif hih hii hik hir hkf hkh hki hkk hkr hr- hrc hre hrf hrh hri hrk hrr i-f icc ice icf ich ici ick icr ie- iec iee ief iei iek ier ifc ife iff ifi ifr ihc ihe ihf ihh ihi ihk ihr iic iie iif iih iii iir ikc ike ikf iki ikk ikr ir- irc ire irf iri irk irr kcc kce kch kci kck kcr ke- kec kee kef keh kei kek ker kfc kff kfh kfi khe khf khh khi khk khr kic kie kif kih kii kik kir kkc kke kkh kki kkk kkr krc krf kri krk krr rcc rce rcf rch rci rcr re- rec ree ref reh rei rek rer rfc rfe rff rfh rfi rfk rfr rh- rhc rhe rhf rhh rhi rhr ric rie rif rih rii rik rir rkc rke rkf rkk rrc rrf rrh rri rrk rrr