how would I write a loop that removes words depending on inputs.
say I have
'aam' 'aani' 'aardvark' 'aardwolf' 'aaron' 'aaronic' 'aaronical'
If I input a random letter say "r" I would like to remove all the words that contain the letter r which would be arrdvark aardwolf aaron aaronic aaronical which leaves aam aani. Then say I input a second random letter n which removes the words with n so it would remove aani which leaves the final word aam
Thanks
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