Which of the following letter strings corresponds with the directions below?

Let’s go step-by-step:
1 2 3 4 1 3 2 3 4 1
Step 1: Replace every 1 with the letter A.
A 2 3 4 A 3 2 3 4 A
Step 2: Replace every 2 with the letter E.
A E 3 4 A 3 E 3 4 A
Step 3: Replace every 3 with the letter I.
A E I 4 A I E I 4 A
Step 4: Replace every 4 with the letter T.
A E I T A I E I T A
Step 5: For letters that appear more than twice, delete the first instance of those letters.
A E I T A I E I T A
E T A I E I T A
Step 6: Delete the first and last remaining letters in the string.
T A I E I T
Step 7: Replace the consonants with the letter Q.
Q A I E I Q
The letters that remain are Q A I E I Q.