List of all the images in /Library/Developer/CoreSimulator/Volumes/iOS_21A328/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 17.0.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/SFSymbols.framework/CoreGlyphsPrivate.bundle/Assets.car
Extract using https://github.com/insidegui/AssetCatalogTinkerer etc
For anyone coming across this, I rewrote this as Swift since I wanted to use it in a Playground, usage is the same as the original.