domain Need Appraise 4 Names

[-=Azn-Devil=-]

Can please appraise these 4, thanks in advance

lf-c.com
r-gb.com
rk-e.com
s-25.com

 

[acronis]

lf-c.com $5.00 - name doesn't seem to fit with anything.
r-gb.com $5.00 - ditto for this as well.
rk-e.com $5.00 - same as last two above.
s-25.com $10.00 - could have value as a trade name if such a product exist.