ddd dde ddf ddh ddl de- ded dee def deh del dfd dfe dff dfh dfl dh- dhd dhe dhf dhh dhl dl- dld dle dlf dlh dll ed- edd ede edf edh edl eed eee eef eel ef- efd efe eff efh efl ehd ehe ehf ehh ehl eld ele elf elh ell fdd fde fdf fdh fdl fed fee fef feh fel ffd ffe fff ffh ffl fhe fhf fhh fhl fld fle flf fll hdd hde hdf hdh hdl he- hed hee hef heh hel hfd hfe hff hfh hfl hhd hhe hhf hhh hhl hld hle hlf hlh hll ldd lde ldf ldh ldl led lee lef leh lel lfd lfe lff lfh lfl lhd lhf lhh lld lle llf lll