In this puzzle, one is required to find abbreviation/acronyms of some United States federal government agencies. Abbreviations/acronyms of state government agencies of United States are NOT permissible. Also, abbreviations specific to non-US government entities CANNOT come into due consideration.
(1) Using only the letters of TONMEC at least once, find a valid 7-letter abbreviation.
(2) Using only the letters of AHSM at least once, find a valid 6-letter abbreviation.
(3) Using only the letters of ACIMRS at least once, find a valid 7-letter abbreviation.
(4) Find a valid anagram of CEFLT in accordance with the given problem conditions.
(5) Using only the letters of CHIN at least once, find a valid 5-letter abbreviation.
(6) Find a valid anagram of ACFMS in accordance with the given problem conditions.
(7) Using only the letters of EORS at least once, find a valid 5-letter abbreviation.