In a certain code language, 'BELOW' is coded as 'ASPIF'. What is the code for 'BLOOD' in that code language?

In a certain code language, 'apple dog child' is coded as 'hu rk ww' and 'child night woman' is coded as 'xt hu as'. How is 'child' coded in that language?

In a coding scheme, a word is coded as the product of positions of its letters in the English alphabet (A=1, B=2, etc.). However, for calculating the product, only unique letters are considered. For example, in the word FELL, L is considered only once (6 × 5 × 12), making the code 360. Which of these words will have the largest code?