Random password: kensXtautG
10 char (entropy-bits: known=33, unknown= 60- 65): kensXtautG
15 char (entropy-bits: known=49, unknown= 90- 98): &pondUemus4peel
20 char (entropy-bits: known=66, unknown=120-131): 6@duct5hodsserfhate@
known = known pattern of x words with x chars
8 char all random (entropy-bits=48): E%pE3$yy
32 char all random (entropy-bits=192): 9xZFX=xh&%2H%i4LqTYEecYJW3haEe7i

Also see:
GRC for completely random passwords
Lastpass web embedded auto password management
Password wallet multi platform password app for password management
OS X Password managers desktop apps.