/usr/share/hunspell/gu_IN.aff is in hunspell-gu 1:6.0.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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SET UTF-8 TRY ંાિીુૂૃેૈૉોૌ્ઃ઼ઁઅઆઇઈઉઊઋઅએઐઑઓઔકખગઘચછજઞટઠડઢણબભમયરલવશષસહ