Morse Decoder

Using ▄ (U+2584 Lower Half Block) to represent a dot, decode the argument from International Morse Code to alphanumeric.

1. The length of a dot is one unit.
2. A dash is three units.
3. The space between parts of the same letter is one unit.
4. The space between letters is three units.
5. The space between words is ten units.

Variants: Morse Encoder

External links: Rosetta Code, Wikipedia