ddd dde ddf ddg ddl ddn de- ded dee def deg del den dfd dfe dff dfg dfl dfn dgd dge dgf dgg dgl dgn dl- dld dle dlf dlg dll dnd dne dnf dng dnl dnn ed- edd ede edf edg edl edn eed eee eef eeg eel een ef- efd efe eff efg efl egd ege egf egg egl egn eld ele elf elg ell eln en- end ene enf eng enl enn fdd fde fdf fdg fdl fdn fed fee fef feg fel fen ffd ffe fff ffg ffl ffn fgd fge fgf fgg fgl fgn fld fle flf flg fll fln fnd fne fnf fng fnl fnn g-d gdd gde gdf gdl gdn ge- ged gee gef geg gel gen gfd gfe gff gfl ggd ggg ggn gld gle glf glg gll gln gnd gne gnf gnl gnn ldd lde ldf ldg ldl ldn led lee lef leg lel len lfd lfe lff lfg lfl lfn lgd lge lgf lgg lgl lgn lld lle llf llg lll lln lnd lne lng lnl lnn ndd nde ndf ndg ndl ndn ne- ned nee nef neg nel nen nfd nfe nff nfl nfn ngd nge ngf ngg ngl ngn nld nle nlf nlg nll nln nne nnf nng nnl nnn