No, this is not a mirror image, this is how it was written

ABCDEFGHIJKL

MNOPQRSTUV

WXYZ NAW (now)

I NO (know) M-

I (MI, my) ABCESE (abc's)

NECST (next) TIM (time)

WOHT (won't) U (you) S-

EING (SEING sing) W-

ITH (WITH with) ME