This is a really easy beginners song that I used when I first started. Just keep
back between the 4 and 2 frets using your ring and index fingers only.
e|----------------------------------------------|
B|----------------------------------------------|
G|----------------------------------------------|
D|----------2-----------------------------------|
A|-----2-4-----4-2------------------------------|
E|-0----------------4---------------------------|
Then play this:
e|----------------------------------------------|
B|----------------------------------------------|
G|----------2-----------------------------------|
D|------2-4---4-2-------------------------------|
A|-0---------------4----------------------------|
E|----------------------------------------------|
Finally this:
e|-5-4-3-2-0------------------------------------|
B|-5-4-3-2-0------------------------------------|
G|---------1------------------------------------|
D|----------------------------------------------|
A|----------------------------------------------|
E|----------------------------------------------|