tbbn0g04 - transparent, black background chunk
tbbn2c16 - transparent, blue background chunk
tbbn3p08 - transparent, black background chunk
tbgn2c16 - transparent, green background chunk
tbgn3p08 - transparent, light-gray background chunk
tbrn2c08 - transparent, red background chunk
tbwn0g16 - transparent, white background chunk
tbwn3p08 - transparent, white background chunk
tbyn3p08 - transparent, yellow background chunk
tp0n0g08 - not transparent for reference (logo on gray)
tp0n2c08 - not transparent for reference (logo on gray)
tp0n3p08 - not transparent for reference (logo on gray)
tp1n3p08 - transparent, but no background chunk 