Topic Using Group for Key Remapping then Combination

I am using a legacy ANSI Font which has the characters laid in its own fashion.
So my idea is process a group say group(remap) first for key remap then process further entries in another group say group(conjunct). How can I do this ?
For example:

:

group(remap) using keys 'c' > 'L'   c This is remap group(conjunct) 'L' + 'L' >  U+201A c This is a conjunct

So my questions are how can I fire another group from one, is this approach right or there are elegant ways to do it. Please help

There are two ways to accomplish this. Both would expect you to type "cc" for this conjunct example.

(a) Use a non-using-keys group. This will post-process the context, so don't use the + symbol:

:

group(remap) using keys + 'c' > 'L' match > use(conjunct) group(conjunct) 'LL' > U+201A

(b) Pre-process conjuncts. This will work on the keystrokes instead:

:

begin > use(conjunct) group(conjunct) using keys 'L' + 'c' > U+201A nomatch > use(remap) group(remap) using keys + 'c' > 'L'

Thank you so much Marc. I have to try, to get grip on it.

Can you point me to a link to understand the non-using-keys and context post processing topics.

http://help.keyman.com/developer/language/guide/groups and http://help.keyman.com/developer/9.0/guides/develop/advanced-keyboard-development-example may help?

Thanks