<Tr> <Th> ḳh </Th> <Td> ቐ </Td> <Td> ቑ </Td> <Td> ቒ </Td> <Td> ቓ </Td> <Td> ቔ </Td> <Td> ቕ </Td> <Td> ቖ </Td> <Td> </Td> </Tr> <Tr> <Th> ḳ </Th> <Td> ቘ </Td> <Td> </Td> <Td> ቝ </Td> <Td> ቛ </Td> <Td> ቜ </Td> <Td> ቚ </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> ቨ </Td> <Td> ቩ </Td> <Td> ቪ </Td> <Td> ቫ </Td> <Td> ቬ </Td> <Td> ቭ </Td> <Td> ቮ </Td> <Td> ቯ </Td> </Tr> <Tr> <Th> č </Th> <Td> ቸ </Td> <Td> ቹ </Td> <Td> ቺ </Td> <Td> ቻ </Td> <Td> ቼ </Td> <Td> ች </Td> <Td> ቾ </Td> <Td> ቿ </Td> </Tr>

Who invented ethiopian alphabet for the first time