ddd dde ddf ddl ddp ddt de- ded dee def del dep det dfd dfe dff dfl dfp dft dl- dld dle dlf dll dlp dlt dpd dpe dpf dpl dpp dpt dtd dte dtf dtl dtp dtt ed- edd ede edf edl edp edt eed eee eef eel eep eet ef- efd efe eff efl efp eft eld ele elf ell elp elt ep- epd epe epf epl epp ept etd ete etf etl etp ett fdd fde fdf fdl fdp fdt fed fee fef fel fep fet ffd ffe fff ffl ffp fft fld fle flf fll flp flt fpd fpe fpl fpp fpt ftd fte ftf ftl ftp ftt l-p ldd lde ldf ldl ldp ldt led lee lef lel lep let lfd lfe lff lfl lfp lft lld lle llf lll llp llt lpd lpe lpf lpl lpp lpt ltd lte ltf ltl ltp ltt p-p pdd pde pdf pdl pdp pdt ped pee pef pel pep pet pfd pfe pff pfl pfp pft pld ple plf pll plp plt ppd ppe ppf ppl ppp ppt pt- ptd pte ptf ptl ptp ptt tdd tde tdf tdl tdp tdt te- ted tee tef tel tep tet tfd tfe tff tfl tfp tft tld tle tlf tll tlp tlt tpd tpe tpf tpl tpp tpt ttd tte ttf ttl ttp ttt