The stress mark gem makes the letters happier (because they're part of the most important syllable), and the diaeresis gem (owned by U) makes the letter grumpy and angry, and wants to be isolated from everyone.
@NumberMaster999 for the original project @Elithepidude and @ItsWinktheWolf for the gem bases @PhonicLover44 for the letter sprites and bases Mike Salcedo for Alphabet Lore