What are the last 10 numbers of the following sequence?

Question

4 4 4 4 2 1 1 1 1 1 1 2 1 1 1 3 1 2 ? ? ? ? ? ? ? ? ? ?

p.s. : this is a language as well as a number riddle

Answer 1

28 elements, so I suppose it should be a language with 28 characters.

Maybe this is some kind of usage chart.