Make a3x5 grid

Reorder columns as 5, 4, 2, 1, 3

svo76react439um

Let’s start by making pairs to see what we are working with

38 39 39 55 57 27 35 41 20 27 37 27 54 53 56 32 31

The range for the number positions in the passcode format seems good but the rest is too low. Atbash the numbers

72 71 71 55 53 83 75 69 80 83 73 83 56 57 54 78 79

Convert decimal to Ascii

HGG75SKEPSIS896NO

Make a 6×2 grid

Read going down from the upper right S

shu72xm559zq