ddd dde ddf ddi ddp ddt de- ded dee def dei dep det dfd dfe dff dfi dfp dft di- did die dif dii dip dit dpd dpe dpf dpi dpp dpt dtd dte dtf dti dtp dtt ed- edd ede edf edi edp edt eed eee eef eep eet ef- efd efe eff efi efp eft eid eie eif eii eip eit ep- epd epe epf epi epp ept etd ete etf eti etp ett fdd fde fdf fdi fdp fdt fed fee fef fei fep fet ffd ffe fff ffi ffp fft fid fie fif fii fip fit fpd fpe fpi fpp fpt ftd fte ftf fti ftp ftt i-d i-f idd ide idf idi idp idt ie- ied iee ief iei iep iet ifd ife iff ifi ifp ift iid iie iif iii iip iit ipd ipe ipf ipi ipp ipt itd ite itf iti itp itt p-p pdd pde pdf pdi pdp pdt ped pee pef pei pep pet pfd pfe pff pfi pfp pft pid pie pif pii pip pit ppd ppe ppf ppi ppp ppt pt- ptd pte ptf pti ptp ptt tdd tde tdf tdi tdp tdt te- ted tee tef tei tep tet tfd tfe tff tfi tfp tft tid tie tif tii tip tit tpd tpe tpf tpi tpp tpt ttd tte ttf tti ttp ttt