shell bypass 403
compoundwords controlled Z
prefixes
flag *B:
. > RE # As in enter > reenter
flag U:
. > UN # As in natural > unnatural
suffixes
flag *J:
[^E] > INGS # As in cross > crossings
flag *G:
[^E] > ING # As in cross > crossing
flag *S:
[^SXZHY] > S # As in bat > bats
flag *A:
[^AEIOU]Y > -Y,IES # As in imply > implies
flag ~\\:
[^Y] > Y #~ advarsel > advarsely-