The bulk update request #8461 is pending approval.

create implication brown_anus (1586) -> anus (597496)
create implication grey_anus (918) -> anus (597496)
create implication two_tone_anus (108) -> multicolored_anus (82)
create implication multicolored_anus (82) -> anus (597496)

Reason: Was very surprised to find out these were missing.