Try this, in the key of C: C - C - / Dm - Am - / C - C - / F G7 C - / F C F - / Dm - F - / C - F C / F G7 C - //
C - C - / Dm - Am - / C - C - / F G7 C - /
F C F - / Dm - F - / C - F C / F G7 C - //