I listend to a live video by Faun Fables, 
but Nils Frykdhal plays the song in the video. It may not be correct, 
but it works. 
I would be happy for corecctions. Enjoy!

Am (x02210@1)                      AmO (x02210@1)loathsome crawling thing
     G (320003@1)                 GBe (320003@1)done with your miniscule affairs
 Am (x02210@1)                  
O hungry creeping speck
       G (320003@1)                 AmI (x02210@1)release you from your cares
DmE  Am (x02210@1) Be gone    Roach!

Am (x02210@1)                FYou (133211@1)live on carrion That's outrageous
Am (x02210@1)   F (133211@1)      DYou're (xx0232@1)probably contagious
Am (x02210@1)               DmBlind (xx0231@1)crippled and half-squashed
Eand (022100@1)yet you carry on

Your persistence is disgusting
I could never find myself trusting
A creature that would rather live in 
the trash than in the lawn

Am (x02210@1)                            DCockroach (xx0232@1)your problems are not mine
B (x2444x@1)    A (x02220@1)