wcd(7) on Linux
The text 88c77f17468d, as Debian 3.1 (Sarge) shipped it.
Wherever Change Directory chdir for DOS and Unix
Flags it lists
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-A -
-E -
-G -
-GN -
-M -
-N -
-Q -
-S -
-V -
-a -
-aa -
-b -
-c -
-d -
-e -
-ee -
-f -
-g -
-gd -
-i -
-j -
-k -
-l -
-m -
-n -
-o -
-r -
-rmtree -
-s -
-t -
-u -
-v -
-w -
-x -
-xf -
-z