Post [Q] C1505 Help

Hi guys i'm new here..I have a Sony Xperia E running cm10 with TWRP 2.6.0.0...the problem is,can I flash CWM over TWRP???I tried every possible tool from GPlay and i don't have access to PC at the moment..is there any way I can do it with the Terminal Emulator??Help would be appreciated