Penny for Your Thoughts Lyrics

This is a solo acoustic song with no singing.
It is really fun to play and I highly recommend it (tune to open G). Corrections are welcome.
start
repeat phrase above 3x then advance to I, II, III, or IV
I
II
(repeat from start but advance to below)
II III
and
--0--1--3--5--7--8--10--12--| repeat from start
IV
--0-------------------------| but continue after below
IV
II
Return to start and play phrase ending with 2x
then end 2nd time with harmonics on 7th and 12th.