Twelve prehistoric creatures have been encoded according to the following rule:

u = a e i o u
b = b d f h k l t
c = c m n r s v w
g = g j p q y

So, for example cuccubb would represent mammoth, and bubucbuc would represent kelenken.

Can you solve these?

1. bcucucubugc
2. cugubugcugbuc
3. ubbucuucuc
4. cubucucugbuc
5. bugbubucuc
6. cubugubu
7. gbucucubuc
8. bgcuccucuucuc
9. cbugucuucuc
10. cucubucuucuc
11. cugububuc
12. ccububuc