R U2 R D R' U R D' R' U' R' U R U R' -- D with left ring, D' with right middle (takes time to get used to it), the rest done in 0.3 seconds (crazy fast). Regripless.
R' U2 R' D' R U' R' D R U R U' R' U' R -- D' and D with left ring, as in E perms. Last U' with right thumb. Regripless.
R' U2 R' D' R U' R' D R U R U' R' U' R -- D' and D with left ring, as in E perms. Last U' with right thumb. Regripless.