Cat all fil ending with a pattern but exluding file begenning with pattern in bash

Question

Hello I have a directory full of files such as :

Las_nig_EOG091B0FC4.faa
>A
content1

Las_OKZ_EOG091B0FC2.faa
>B
content2

Lep_ode_EOG091B0F1.faa
>C