-er -ic c-- ccc ccd cce cch cci cck ccn ccr ccx cdc cdd cde cdh cdi cdk cdn cdr cdx ce- cec ced cee ceh cei cek cen cer cex ch- chc chd che chh chi chk chn chr chx ci- cic cid cie cih cii cik cin cir cix ckc ckd ckh cki ckx cn- cnc cnd cne cnh cni cnn cnr cnx crc crd cre crh cri crk crn crr crx cxc cxh cxi cxk cxr cxx dcc dcd dce dci dck dcn dcr dcx ddc ddd dde ddh ddi ddk ddn ddr ddx de- dec ded dee deh dei dek den der dex dh- dhc dhd dhe dhh dhi dhk dhr di- dic did die dih dii dik din dir dix dkc dke dki dkk dkr dkx dnc dnd dne dnh dni dnk dnn dnr drc drd dre dri drk drn drr drx dxc dxd dxi dxn dxr dxx ec- ecc ecd ece ech eci eck ecn ecr ecx ed- edc edd ede edh edi edk edn edr edx eec eed eee eek een eer eex ehc ehd ehe ehh ehi ehn ehr eic eid eie eii eik ein eir eix ekc ekd eke ekh eki ekr en- enc end ene enh eni enk enn enr erc erd ere erh eri erk ern err ex- exc exd exe exh exi exr exx h-i hcc hcd hce hch hci hck hcn hcr hdc hdd hde hdh hdi hdk hdn hdr hdx he- hec hed hee heh hei hek hen her hex hhc hhd hhe hhh hhi hhk hhn hhr hic hid hie hih hii hik hin hir hix hkd hkh hki hkk hkn hkr hnc hnd hne hnh hnk hnn hr- hrc hrd hre hrh hri hrk hrn hrr hxc hxd i-d icc icd ice ich ici ick icn icr idc idd ide idh idi idk idn idr idx ie- iec ied iee iei iek ien ier iex ihc ihd ihe ihh ihi ihk ihn ihr iic iid iie iih iii iin iir iix ikc ike iki ikk ikr ikx in- inc ind ine inh ini ink inn inr inx ir- irc ird ire iri irk irn irr irx ixc ixe ixi ixn kcc kcd kce kch kci kck kcn kcr kcx kdc kde kdh kdk kdr kdx ke- kec ked kee keh kei kek ken ker kex khe khh khi khk khn khr kic kid kie kih kii kik kin kir kix kkc kke kkh kki kkk kkn kkr kn- knc knd kne kni knk knn knr knx krc krd kri krk krn krr n-i ncc ncd nce nch nci nck ncn ncr ncx ndc ndd nde ndh ndi ndk ndn ndr ne- nec ned nee neh nei nek nen ner nex nhc nhd nhe nhh nhi nhk nhn nhr nic nid nie nih nii nik nin nir nix nkc nke nki nkk nkn nkr nnc nne nnh nni nnk nnn nrc nrd nre nri nrk nrn nrr nrx nxc nxd rcc rcd rce rch rci rcn rcr rcx rdc rdd rde rdh rdi rdn rdr rdx re- rec red ree reh rei rek ren rer rex rh- rhc rhd rhe rhh rhi rhn rhr ric rid rie rih rii rik rin rir rix rkc rke rkk rnc rnd rnh rni rnn rnr rrc rrd rrh rri rrk rrn rrr rxr xcd xch xci xcr xcx xdc xde xdh xdi xdk xdr xed xee xen xer xex xhd xic xie xii xin xix xke xnc xnk xrc xrd xrx xxi xxx