This link has good information about the A KAR A ME mantra and how to use it for accumulation.http://www.chammaling.org/index.php?option=com_content&task=view&id=52&Itemid=64
Sorry, the link isn't working now. If you search for 'A KAR A ME' it will bring up chammaling.org and the site is cached, the info is there. It looks like they are moving the chammaling site onto the international Ligmincha site.
Here is what I saved from chammaling.org.
"This mantra is associated with the Nirmanakaya, or
physically manifest body of the Buddha, and is known as
the purification mantra, or the mantra that offers
protection from negative energies. The mantra can be
broken into four groups of seed syllables:
A KAR A ME is the antidote.
TU TI SU NAG PO represents the negative emotions
that are purified.
SHI SHI MAL MAL is the benefit or result of the
SO HA cuts doubts, misconceptions and wrong views.
In greater detail, each of the syllables has the following
A represents space and Sherap Chamma, the loving
KAR represents the clarity of Shenla Odkar.
A represents method and Sangpo Bumtri, one of the
ME represents wisdom and Tonpa Shenrab.
(The above four syllables make up the antidote deities
and the antidote wisdoms.)
TU represents the afflictions of the hell realm.
TI represents the afflictions of the hungry ghost realm.
SU represents the afflictions of the animal realm.
NAG PO represents the afflictions of the three higher
realms of the humans, demi-gods and gods.
(Above are the four afflictions that are purified by the
four wisdoms and four deities of the first four syllables.)
SHI SHI overcomes the afflictions.
MAL MAL represents the bliss that arises once the
afflictions are dissolved.
SO HA represents the realization of union, the
If you are repeating this mantra rapidly you can recite
the SO HA every hundredth repetition, but there are
many variations depending on the situation. If you are
using the mantra for purification you need not recite SO
HA. But if you are trying to cut through a negative
influence you would always use SO AH at the end of