ddd dde ddf ddg ddi ddl dds de- ded dee def deg dei del des dfd dfe dff dfg dfi dfl dfs dgd dge dgf dgg dgi dgl dgs di- did die dif dig dii dil dis dl- dld dle dlf dlg dli dll dls dsd dse dsf dsg dsi dsl dss ed- edd ede edf edg edi edl eds eed eee eef eeg eel ees ef- efd efe eff efg efi efl efs egd ege egf egg egi egl egs eid eie eif eig eii eil eis eld ele elf elg eli ell els es- esd ese esf esg esi esl ess fdd fde fdf fdg fdi fdl fds fed fee fef feg fei fel fes ffd ffe fff ffg ffi ffl ffs fgd fge fgf fgg fgi fgl fgs fid fie fif fig fii fil fis fld fle flf flg fli fll fls fsd fse fsf fsg fsi fsl fss g-d gdd gde gdf gdi gdl gds ge- ged gee gef geg gei gel ges gfd gfe gff gfi gfl gfs ggd ggg ggi ggs gid gie gif gig gii gil gis gld gle glf glg gli gll gls gsd gse gsf gsg gsi gsl gss i-d i-f idd ide idf idg idi idl ids ie- ied iee ief ieg iei iel ies ifd ife iff ifg ifi ifl ifs igd ige igf igg igi igl igs iid iie iif iii iil iis il- ild ile ilf ilg ili ill ils is- isd ise isf isg isi isl iss ldd lde ldf ldg ldi ldl lds led lee lef leg lei lel les lfd lfe lff lfg lfi lfl lfs lgd lge lgf lgg lgi lgl lgs lid lie lif lig lii lil lis lld lle llf llg lli lll lls lsd lse lsf lsg lsi lsl lss sdd sde sdf sdg sdi sdl sds se- sed see sef seg sei sel ses sfd sfe sff sfg sfi sfl sfs sgd sge sgf sgg sgi sgl sgs sid sie sif sig sii sil sis sld sle slf slg sli sll sls ss- ssd sse ssf ssg ssi ssl sss