How many ways to choose 4 letter words (can be nonsensical) from the following?
33210
6-letter permutations in MISSISSIPPI
158285
How to solve this combinatorial problem about selecting letters from different groups?
115021
Is there a word to describe words that can be spelled different ways?
81021
The use of "random" to mean "arbitrary", "unidentified", "unknown", etc
150652
Number of 4-digit numerals with at most 2 different digits
94939
How do I count the number of words in a string?
32508
how many ways can the letters in ARRANGEMENT can be arranged
139958
One adjective for two or more nouns
50045
Words similar to 'either' and 'neither' for 3 items
141753
Algorithm to generate a crossword
107027
Number of combinations and permutations of letters
46338
What is the longest word you can come up with that the letters are all in alphabetical order?
34156
How many words can be formed from 'alpha'?
101751
The number of words that can be made by permuting the letters of _MATHEMATICS_ is
18243
Number of occurences of letters in a word?
65260
In how many ways can you select one of the two but not both?
130614
Permutations on word $MISSISSIPPI$.