Using the $26$ English letters, the number of $5$-letter words that can be made if the letters are distinct is determined as follows:
$26P5=26\times25\times24\times23\times22=7893600$ different words.
What if the letters in each word are in alphabetical order?
For example, the word JLOQY is valid, but the word JUMPY is invalid since U can not be before M