(1)amounts of compensation for disability or death under chapter
81 of title
5, relating to compensation for work injuries;
(2)benefits under subchapter
III of chapter
83 or chapter
84 of title
5, relating to retirement;
(3)amounts of insurance under chapter
87 of title
5, relating to life insurance;
(4)amounts of overtime pay or other premium pay;
(5)annual leave benefits; and
(6)any other benefits related to basic pay;
the basic pay of each employee shall include the rate of basic pay established for his position under section
3642 of this title plus the amount of any additional compensation provided under section
3657(a)[1] of this title.