How short domain can you buy on .ens domains?

oh so i'm trying to buy an ems domain and it says name is too short name must be at least three characters long um so yeah um it's so for example if i searching for like that you will see that the name is unavailable um yeah but i it's like it's still possible to get it but yeah uh it should be at least three characters long so if i have that uh then it's just yeah you can see that but if i search for two two characters it's not available so that's for you know at least three characters long on the other domain