ddd dde ddf ddl ddm ddt de- ded dee def del dem det dfd dfe dff dfl dfm dft dl- dld dle dlf dll dlm dlt dmd dme dmf dml dmm dmt dtd dte dtf dtl dtm dtt ed- edd ede edf edl edm edt eed eee eef eel eem eet ef- efd efe eff efl efm eft eld ele elf ell elm elt em- emd eme emf eml emm emt etd ete etf etl etm ett fdd fde fdf fdl fdm fdt fed fee fef fel fem fet ffd ffe fff ffl ffm fft fld fle flf fll flm flt fmd fme fmf fml fmm fmt ftd fte ftf ftl ftm ftt ldd lde ldf ldl ldm ldt led lee lef lel lem let lfd lfe lff lfl lfm lft lld lle llf lll llm llt lmd lme lmf lml lmm lmt ltd lte ltf ltl ltm ltt m-f mdd mde mdf mdl mdm mdt med mee mef mel mem met mfd mfe mff mfl mfm mft mld mle mlf mll mlm mlt mmd mme mmf mml mmm mmt mtd mte mtf mtl mtm mtt tdd tde tdf tdl tdm tdt te- ted tee tef tel tem tet tfd tfe tff tfl tfm tft tld tle tlf tll tlm tlt tmd tme tmf tml tmm tmt ttd tte ttf ttl ttm ttt