Т (SCROLL DOWN FOR SPOILERS) From now on, fake letters are holographic projections, it was upgraded in-between Zhe and Te. You might just call them "hologram letters"
Credit to @wario100 for the design, voicing Ye, Yo, En, @AlfabetonsOfficial for voicing Ze, @florenciramir for voicing Ka, @Jereoics for voicing El, Er, @Sharathisback for voicing Pe, and @decimalblocker for voicing Te