ddd dde ddf ddl ddn de- ded dee def del den dfd dfe dff dfl dfn dl- dld dle dlf dll dnd dne dnf dnl dnn ed- edd ede edf edl edn eed eee eef eel een ef- efd efe eff efl eld ele elf ell eln en- end ene enf enl enn fdd fde fdf fdl fdn fed fee fef fel fen ffd ffe fff ffl ffn fld fle flf fll fln fnd fne fnf fnl fnn ldd lde ldf ldl ldn led lee lef lel len lfd lfe lff lfl lfn lld lle llf lll lln lnd lne lnl lnn ndd nde ndf ndl ndn ne- ned nee nef nel nen nfd nfe nff nfl nfn nld nle nlf nll nln nne nnf nnl nnn