ddd dde ddf ddg ddh de- ded dee def deg deh dfd dfe dff dfg dfh dgd dge dgf dgg dgh dh- dhd dhe dhf dhh ed- edd ede edf edg edh eed eee eef eeg ef- efd efe eff efg efh egd ege egf egg egh ehd ehe ehf ehg ehh fdd fde fdf fdg fdh fed fee fef feg feh ffd ffe fff ffg ffh fgd fge fgf fgg fgh fhe fhf fhg fhh g-d gdd gde gdf gdh ge- ged gee gef geg geh gfd gfe gff gfh ggd ggg ggh ghd ghe ghg ghh hdd hde hdf hdg hdh he- hed hee hef heg heh hfd hfe hff hfg hfh hge hgf hgg hgh hhd hhe hhf hhg hhh