Help with dosage

Can you help me to purchase the correct dosage of Silica LM? I am looking on-line and it is offered as the following:

6X, 12X, 30X, 3C, 6C, 12C, 30C, 200C, 1M, 10M, 50M, CM, 1LM, 2LM, 3LM, 4LM, 5LM, 6LM, 7LM, 8LM, 9LM, 10LM, 11LM, 12LM, 13LM, 14LM, 15LM, 16LM, 17LM, 18LM, 19LM, 20LM, 21LM, 22LM, 23LM, 24LM, 25LM, 26LM, 27LM, 28LM, 29LM, 30LM, 3X

Also, would you choose liquid or pellets?

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