-ic c-- ccc ccd cce ccf cci ccn ccs cdc cdd cde cdf cdi cdn cds ce- cec ced cee cef cei cen ces cfc cfd cfe cff cfi cfn cfs ci- cic cid cie cif cii cin cis cn- cnc cnd cne cnf cni cnn cns csc csd cse csf csi csn css dcc dcd dce dcf dci dcn dcs ddc ddd dde ddf ddi ddn dds de- dec ded dee def dei den des dfc dfd dfe dff dfi dfn dfs di- dic did die dif dii din dis dnc dnd dne dnf dni dnn dns dsc dsd dse dsf dsi dsn dss ec- ecc ecd ece ecf eci ecn ecs ed- edc edd ede edf edi edn eds eec eed eee eef een ees ef- efc efd efe eff efi efs eic eid eie eif eii ein eis en- enc end ene enf eni enn ens es- esc esd ese esf esi esn ess fcc fcd fce fcf fci fcn fcs fdc fdd fde fdf fdi fdn fds fec fed fee fef fei fen fes ffc ffd ffe fff ffi ffn ffs fic fid fie fif fii fin fis fnc fnd fne fnf fni fnn fns fsc fsd fse fsf fsi fsn fss i-d i-f icc icd ice icf ici icn ics idc idd ide idf idi idn ids ie- iec ied iee ief iei ien ies ifc ifd ife iff ifi ifn ifs iic iid iie iif iii iin iis in- inc ind ine inf ini inn ins is- isc isd ise isf isi isn iss n-i ncc ncd nce ncf nci ncn ncs ndc ndd nde ndf ndi ndn nds ne- nec ned nee nef nei nen nes nfc nfd nfe nff nfi nfn nfs nic nid nie nif nii nin nis nnc nne nnf nni nnn nns nsc nsd nse nsf nsi nsn nss scc scd sce scf sci scn scs sdc sdd sde sdf sdi sdn sds se- sec sed see sef sei sen ses sfc sfd sfe sff sfi sfn sfs sic sid sie sif sii sin sis snc snd sne snf sni snn sns ss- ssc ssd sse ssf ssi ssn sss