ddd dde ddf ddi ddl de- ded dee def dei del dfd dfe dff dfi dfl di- did die dif dii dil dl- dld dle dlf dli dll ed- edd ede edf edi edl eed eee eef eel ef- efd efe eff efi efl eid eie eif eii eil eld ele elf eli ell fdd fde fdf fdi fdl fed fee fef fei fel ffd ffe fff ffi ffl fid fie fif fii fil fld fle flf fli fll i-d i-f idd ide idf idi idl ie- ied iee ief iei iel ifd ife iff ifi ifl iid iie iif iii iil il- ild ile ilf ili ill ldd lde ldf ldi ldl led lee lef lei lel lfd lfe lff lfi lfl lid lie lif lii lil lld lle llf lli lll