-er -ic c-- ccc ccd cce ccf cch cci cck ccn ccr cdc cdd cde cdf cdh cdi cdk cdn cdr ce- cec ced cee cef ceh cei cek cen cer cfc cfd cfe cff cfh cfi cfk cfn cfr ch- chc chd che chf chh chi chk chn chr ci- cic cid cie cif cih cii cik cin cir ckc ckd ckh cki cn- cnc cnd cne cnf cnh cni cnn cnr crc crd cre crf crh cri crk crn crr dcc dcd dce dcf dci dck dcn dcr ddc ddd dde ddf ddh ddi ddk ddn ddr de- dec ded dee def deh dei dek den der dfc dfd dfe dff dfh dfi dfk dfn dfr dh- dhc dhd dhe dhf dhh dhi dhk dhr di- dic did die dif dih dii dik din dir dkc dke dki dkk dkr dnc dnd dne dnf dnh dni dnk dnn dnr drc drd dre dri drk drn drr ec- ecc ecd ece ecf ech eci eck ecn ecr ed- edc edd ede edf edh edi edk edn edr eec eed eee eef eek een eer ef- efc efd efe eff efh efi efr ehc ehd ehe ehf ehh ehi ehn ehr eic eid eie eif eii eik ein eir ekc ekd eke ekf ekh eki ekr en- enc end ene enf enh eni enk enn enr erc erd ere erf erh eri erk ern err fcc fcd fce fcf fci fck fcn fcr fdc fdd fde fdf fdh fdi fdk fdn fdr fec fed fee fef feh fei fek fen fer ffc ffd ffe fff ffh ffi ffk ffn ffr fhc fhe fhf fhh fhi fhn fhr fic fid fie fif fih fii fik fin fir fkc fkf fki fkk fnc fnd fne fnf fnh fni fnk fnn fnr frc frd fre frf frh fri frk frn frr h-i hcc hcd hce hcf hch hci hck hcn hcr hdc hdd hde hdf hdh hdi hdk hdn hdr he- hec hed hee hef heh hei hek hen her hfc hfd hfe hff hfh hfi hfk hfn hfr hhc hhd hhe hhf hhh hhi hhk hhn hhr hic hid hie hif hih hii hik hin hir hkd hkf hkh hki hkk hkn hkr hnc hnd hne hnf hnh hnk hnn hr- hrc hrd hre hrf hrh hri hrk hrn hrr i-d i-f icc icd ice icf ich ici ick icn icr idc idd ide idf idh idi idk idn idr ie- iec ied iee ief iei iek ien ier ifc ifd ife iff ifi ifn ifr ihc ihd ihe ihf ihh ihi ihk ihn ihr iic iid iie iif iih iii iin iir ikc ike ikf iki ikk ikr in- inc ind ine inf inh ini ink inn inr ir- irc ird ire irf iri irk irn irr kcc kcd kce kch kci kck kcn kcr kdc kde kdf kdh kdk kdr ke- kec ked kee kef keh kei kek ken ker kfc kfd kff kfh kfi khe khf khh khi khk khn khr kic kid kie kif kih kii kik kin kir kkc kke kkh kki kkk kkn kkr kn- knc knd kne knf kni knk knn knr krc krd krf kri krk krn krr n-i ncc ncd nce ncf nch nci nck ncn ncr ndc ndd nde ndf ndh ndi ndk ndn ndr ne- nec ned nee nef neh nei nek nen ner nfc nfd nfe nff nfi nfk nfn nfr nhc nhd nhe nhf nhh nhi nhk nhn nhr nic nid nie nif nih nii nik nin nir nkc nke nkf nki nkk nkn nkr nnc nne nnf nnh nni nnk nnn nrc nrd nre nrf nri nrk nrn nrr rcc rcd rce rcf rch rci rcn rcr rdc rdd rde rdf rdh rdi rdn rdr re- rec red ree ref reh rei rek ren rer rfc rfd rfe rff rfh rfi rfk rfn rfr rh- rhc rhd rhe rhf rhh rhi rhn rhr ric rid rie rif rih rii rik rin rir rkc rke rkf rkk rnc rnd rnh rni rnn rnr rrc rrd rrf rrh rri rrk rrn rrr