Answer
1. It is not permissible for anyone, male or female, to masturbate whether married or not. An unmarried person should control his/her desires by abstaining from all those things that enhance one’s desires. If the desires are purely natural, then it should be suppressed by fasting. Refer attached
2. It is not permissible for a husband to perform oral sex on his wife. Refer attached
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai