Is this move permitted in Scrabble?
Placing letters parallel to a word is a valid play in Scrabble, as long as every combination of letters formed by the play is a valid word.
From the official rules - Gameplay point #4:

New words may be formed by:
.....

Placing a complete word parallel to a word already played so that adjacent letters also form complete words.


So as long as &quot;oe&quot; is a valid word in whatever word source you are using, then it is a valid play.