I have also inflated my car tires a few psi with a stand bike pump too. Bike tires are often have much higher PSI, than car tires, so the pump can easily fill the tire it just takes a while… (Though to be fair I was mostly fixing a low pressure issue, so I was inflating the car tire from like 37 psi to 42 psi)

try “flatpak remove --unused”

The transcription of D is wrong. It should be:

sed 's/\([a-zA-Z]\+\)/\n&\n/g; s/\n\(.\)\(.*\)\(.\)\n/\3\2\1/g; s/\n//g' file.txt

also D is correct, assuming file.txt contains a list of words one per line

Welcome to the software commune comrade!