make a mnemonic which includes the following words :- k, J, J, S, O, P, M, G, B, T, G, and rainfall

How many words can be formed by using all the letters of word. ‘RAIN’?

Which of the words given in the options can be formed using the letters of the following set only once?{a,w,r,t,I,s,o,n,m,l,b,h,e,p}APeakBMouseCHelpDCoup

How many words can be formed by using all the letters of word. ‘RAIN’?122412017

Find the missing termG, K, M, ?, S

I want to memorize the 1000 most common korean words by learning 10 new words every day. Can you give me the first 100 words I should start with in a table format?