Bulk Update Request: [BUR] import hand_on_hip from e621

Script

create alias hand_on_hips (31) -> hand_on_hip (1982)
create implication hand_on_own_hip (20) -> hand_on_hip (1982)
create alias hand_on_own_hips (0) -> hand_on_own_hip (20)
create alias hands_on_own_hips (0) -> hands_on_own_hip (0)