Oh, yes! I forgot to reply to this originally.

Basically I think you were doing okay with the
runes but the grammatical endings have the 'other'
R (ýrr).

> Can someone explain the "alu"? There is nothing in Zoega.

It's a lot like the 'alu' sequences in the human genome.
There's a whole lot of them but no one's quite sure what
their significance is.

> Also if I were to use the expression "allákaft" (very fast) or "alllétr"
> (very light), would I just use a single rune for the letter "L"?

One 'l' is probably enough.

Kveðja,
Haukur