I've got this crazy issue that is affecting a very small number of users, and since I cannot yet figure it out, I figured I'd put it here! I'm offering a kao garden money bounty of 10,000 coins for anyone that can tell me why this is happening: 1. https://jsfiddle.net/0zmgctb4/... 2. Android, using gboard, typing one a after a (into the input at the bottom right) will result in correct conversion into あs 3. Android, download "Desh keyboard for japanese", doing the same will ..well..you'll see. Duplicates data.