This AutoHotKey script preserves QWERTY key combinations. I'm pretty shure it could be done in a better way. Toggling languages currently doesn't work.

Colemak mod-DH ANSI with QWERTY hot keys

#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
#Warn  ; Enable warnings to assist with detecting common errors.
SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir%  ; Ensures a consistent starting directory.
ScrollLock::Suspend, Toggle
; Colemak Mod-DH mapping for ANSI boards

~Ctrl::Suspend, On
~Ctrl Up::Suspend, Off

~Alt::Suspend, On
~Alt Up::Suspend, Off

~LWin::Suspend, On
~LWin Up::Suspend, Off

;SC010::q
;SC011::w
e::f
r::p
t::b
y::j
u::l
i::u
o::y
p::;

;SC01E::a
s::r
d::s
f::t
;SC022::g
h::k
j::n
k::e
l::i
`;::o

z::x
x::c
c::d
;SC02f::v
b::z
n::m
m::h

; set Backspace to CapsLock key

; sc03a::backspace