-ic c-- ccc ccd cce ccf ccg cci cco ccs cdc cdd cde cdf cdg cdi cdo cds ce- cec ced cee cef ceg cei ceo ces cfc cfd cfe cff cfg cfi cfo cfs cgc cgd cge cgg cgi cgo cgs ci- cic cid cie cif cig cii cio cis co- coc cod coe cof cog coi coo cos csc csd cse csf csg csi cso css dcc dcd dce dcf dcg dci dco dcs ddc ddd dde ddf ddg ddi ddo dds de- dec ded dee def deg dei deo des dfc dfd dfe dff dfg dfi dfo dfs dgc dgd dge dgf dgg dgi dgs di- dic did die dif dig dii dio dis doc dod doe dof dog doi doo dos dsc dsd dse dsf dsg dsi dso dss ec- ecc ecd ece ecf ecg eci eco ecs ed- edc edd ede edf edg edi edo eds eec eed eee eef eeg eeo ees ef- efc efd efe eff efg efi efo efs egc egd ege egf egg egi ego egs eic eid eie eif eig eii eio eis eo- eoc eod eoe eof eog eoi eoo eos es- esc esd ese esf esg esi eso ess fcc fcd fce fcf fcg fci fco fcs fdc fdd fde fdf fdg fdi fdo fds fec fed fee fef feg fei feo fes ffc ffd ffe fff ffg ffi ffo ffs fgc fgd fge fgf fgg fgi fgs fic fid fie fif fig fii fis foc foe fof fog foi foo fos fsc fsd fse fsf fsg fsi fso fss g-d gcc gcd gce gcf gcg gci gco gcs gdc gdd gde gdf gdi gdo gds ge- gec ged gee gef geg gei geo ges gfc gfd gfe gff gfi gfo gfs ggc ggd ggg ggi ggo ggs gic gid gie gif gig gii gio gis goc god goe gof gog goi goo gos gsc gsd gse gsf gsg gsi gso gss i-d i-f icc icd ice icf icg ici ico ics idc idd ide idf idg idi ido ids ie- iec ied iee ief ieg iei ies ifc ifd ife iff ifg ifi ifo ifs igc igd ige igf igg igi igo igs iic iid iie iif iii iio iis io- ioc iod ioe iof iog ioi ioo ios is- isc isd ise isf isg isi iso iss o-i oc- occ ocd ocf ocg oci oco ocs odc odd ode odf odg odi odo ods oec oed oee oef oeg oei oeo oes of- ofc ofd ofe off ofg ofi ofo ofs ogc ogd oge ogf ogg ogi ogo ogs oic oid oie oif oii oio ois oo- ooc ood oof oog ooi ooo oos os- osc osd ose osf osg osi oso oss scc scd sce scf scg sci sco scs sdc sdd sde sdf sdg sdi sdo sds se- sec sed see sef seg sei seo ses sfc sfd sfe sff sfg sfi sfo sfs sgc sgd sge sgf sgg sgi sgo sgs sic sid sie sif sig sii sio sis soc sod soe sof sog soi soo sos ss- ssc ssd sse ssf ssg ssi sso sss