Center letter: m Outer letter: a g i n r w Answers (48): warming aiming airman anagram anagramming anima arming gamin gaming gamma gram gramma grammar grammarian grim imaging imagining imam magi magma maim maiming main mama mamma managing manga mania manna manning margin marina marinara marm marring miming mini minim minima mining mirin miring naming ramming rimming warm wigwam wingman