1. What is the longest English word that can be formed using the letters A to M?
2. What is the longest English word that can be formed using the letters N to Z?
(a) It is not necessary to use all the letters within the specified range. A given letter can occur more than once within a word.
(b) Words involving proper nouns, acronyms or abbreviations is not permissible.
(c) None of the generated words can be hyphenated. For example, words like A-bomb, X-Ray etc. are not allowed.