What do these army ranger mos specialites mean???

Question

Commissioned Officers

01A, 11A, 13A, 21B, 25A, 27A, 30A, 35D, 35E, 36A, 38A, 42H, 53A, 56A, 57A, 61N, 64A, 65A, 65B, 65C, 65D, 67D, 70B, 70H, 73B, 74A, 74B, 88A, 90A, 92A

Warrant Officers

131A, 250N, 251A, 254A, 350F, 350G, 351L, 351M, 352P, 420A, 882P, 890A, 915A, 915E, 920A, 920B, 921A

NCO and Enlisted

00Z, 11B, 11C, 11Z, 13F, 13Z, 21B, 21H, 21R, 21U, 21W, 25B, 25C, 25F, 25N, 25P, 25S, 25U, 25W, 25X, 27D, 35F, 35G, 35L, 35M, 35N, 35P, 35X, 42A, 42F, 44B, 44C, 45B, 45G, 45K, 52C, 52D, 56M, 63B, 63X, 63Z, 68J, 68S, 68W, 68X, 74D, 79S, 88M, 88N, 89B, 92A, 92F, 92G, 92L, 92R, 92W, 92Y, 94E, 94F, 94W

Answer 1

Go to goarmy.com and they have a complete list of all these MOS (with a job description)).  

Answer 2

You can find that all at the links below.