ddd dde ddf ddg ddi dds de- ded dee def deg dei des dfd dfe dff dfg dfi dfs dgd dge dgf dgg dgi dgs di- did die dif dig dii dis dsd dse dsf dsg dsi dss ed- edd ede edf edg edi eds eed eee eef eeg ees ef- efd efe eff efg efi efs egd ege egf egg egi egs eid eie eif eig eii eis es- esd ese esf esg esi ess fdd fde fdf fdg fdi fds fed fee fef feg fei fes ffd ffe fff ffg ffi ffs fgd fge fgf fgg fgi fgs fid fie fif fig fii fis fsd fse fsf fsg fsi fss g-d gdd gde gdf gdi gds ge- ged gee gef geg gei ges gfd gfe gff gfi gfs ggd ggg ggi ggs gid gie gif gig gii gis gsd gse gsf gsg gsi gss i-d i-f idd ide idf idg idi ids ie- ied iee ief ieg iei ies ifd ife iff ifg ifi ifs igd ige igf igg igi igs iid iie iif iii iis is- isd ise isf isg isi iss sdd sde sdf sdg sdi sds se- sed see sef seg sei ses sfd sfe sff sfg sfi sfs sgd sge sgf sgg sgi sgs sid sie sif sig sii sis ss- ssd sse ssf ssg ssi sss