The term 'A WEE BIT' can be broken down into six crossword solutions: TAD (3 letters), ATOM (4 letters), ERG (3 letters), IOTA (4 letters), DRAM (4 letters), and ONEIOTA (7 letters). TAD is an informal word meaning a small amount, ATOM is the smallest particle of an element, ERG is a unit of energy, IOTA is the ninth letter of the Greek alphabet, DRAM is a unit of weight, and ONEIOTA is an extremely small amount. Together, these words represent a very small amount, which is what 'A WEE BIT' means.