I'd second what Dwayne said, if we end up having three-times the work,
we'll see only little returns.
To ask a different way, are there systematic approaches one can take to
support variants? Like, en-GB uses tooling to catch the strings that are
different to en-US, and IIRC, also creates them for the most part. en-ZA
OTH doesn't have that tooling, and is often lagging behind. In its case,
it falls back to en-US, which is only half-bad, but for a variant of
Fulah, that'd be ughly.
If such algorithms exist, then you could do "Fulah", and then in a
second step do high-quality variations of it. Not sure if pootle would
be the best tool to do this. Something closer to the metal might be better.
Axel