Fix Ethiopic.
Add morse code.
String generation: storage (including space or other separator) is (6 * (log10(k) + 1)) -1 

0	-----
1	.----
2	..---
3	...--
4	....-
5	.....
6	-....
7	--...
8	---..
9	----.

Need a space between digits.

stringtoint:

split on space
In C need decision table

1	.----
2	..---
3	...--
4	....-
5	.....
6	-....
7	--...
8	---..
9	----.
0	-----