Random password: R+alasgobs
10 char (entropy-bits: known=33, unknown= 60- 65): R+alasgobs
15 char (entropy-bits: known=49, unknown= 90- 98): sheditch$NthanR
20 char (entropy-bits: known=66, unknown=120-131): D$hurlswimcosyFWloot
known = known pattern of x words with x chars
8 char all random (entropy-bits=48): u7=q#aw7
32 char all random (entropy-bits=192): j#ZZyMADvbix9p7C$eeEuH+tSpDY9*kg

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.