I would do it like so:
(Using maskprocessor and hashcat-legacy)
Of course, as always, there are multiple ways to do the same thing.
Code:
mp64.exe -1 a0 ?1?1?1?1?1?1?1?1 > all_masks.txt
echo "%20%6a" > reject.rule
hashcat-cli64.exe --stdout all_masks.txt -r reject.rule > masks.txt
sed -i 's/a/?l/g;s/0/?d/g' masks.txt
(Using maskprocessor and hashcat-legacy)
Of course, as always, there are multiple ways to do the same thing.