It’s yasar and yamin and yes, they both start with the same letter but alternatively you can use chamal ( north) for left. It’s archaic and rarely if ever used in modern days but it fix this problem that isn’t one in the first place because you can print the whole word since their shape alone allow for an easy and fast identification, use the left right symbols with a tilted tail or just use L&R for arabic nations with English as the main foreign language and G&D for the ones where it’s french.