Pharmacy tech intern, need help w/ medical abbreviations.?

Question

Letters, i, ii, sl, and DS.

Answer 1

i - 1 tablet or capsules (usually seen with a line over it and dot above)

ii - 2 tablets or capsules (usually seen with a line over it and dot above each i)

sl - sublingual

DS - dispense or provide to the patient

Answer 2

Here is a site with a lot of medical abbreviations:
http://www.globalrph.com/abbrev.htm#A

Answer 3

i = one
ii - two
sl = sublingual
DS = double strength