Which sexual "immorality" is worse?

-Consentual sex between parent and off-spring (any age)? 
-Consentual sex between siblings? 
-Consentual sex between cousins?
-Consentual sex between pre-adult/teen and pre-adult/teen? 
-Consentual sex between pre-teen and pre-teen? 
-Consentual sex between pre-adult/teen and pre-teen?
-Consentual sex between an adult (other than parent/grandparent/etc.) and pre-adult/teen? (Assume the pre-adult/teen understands sex and does consent--legality is not the issue here)
-Consentual sex between an adult (other than parent/grandparent/etc.) and a pre-teen? (Assume the pre-teen understands sex and does consent--legality is not the issue here)
-Consentual sex between an adult and an adult who are un-wed?

Again, legal ramifications are not at issue, only your own personal "morality" towards these specific pairings.

http://www.prevent-abuse-now.com/stats.htm
Rate of child abuse by race in the US.
White = 51%
African American = 25%
Hispanic = 15%
American Indian/Alaska Natives = 2%
Asian/Pacific Islanders = 1%

http://en.wikipedia.org/wiki/Racial_demographics_of_the_United_States
Rate of race in the US.
White = 69.1%
African American = 12.9%
Hispanic = 13.4%
American Indian/Alaskan Natives = 1.5%
Asian/Pacific Islanders = 4.2%

Rate of child abuse by race in relation to the average (100%).
White = 73.8%
African American = 193.8%
Hispanic = 111.9%
American Indian/Alaskan Natives = 133.3%
Asian/Pacific Islanders = 23.8%