\listofabbreviations

\begin{list}
{}
{\setlength
   {\labelwidth}{1in}
    \setlength{\leftmargin}{1.5in}
    \setlength{\labelsep}{.5in}}

\item[DAH\hfill] Define Abbreviations Here

\item[AAIFEA\hfill] Add Another Item For Each Abbreviation

\end{list}