Letters that make margin of error
a, o, e, f, g, n, m, r, i are letters that make 'margin of error'
Words within margin of error
ER, OR, mar, margin, MA, ma, ar, Ro, mA, Gi, GI, in, error, gin, AR, IN, Ar, Er, In, Rg, Mar, err are words within 'margin of error'