SOLVED: Write a loop that displays all possible combinations of two letters where the letters are 'a', or 'b', or 'c', or 'd', or 'e'. the combinations should be displayed in ascending alphabetical order: aa ab ac ad ae ba bb ... ee

Create a Java program that asks the user to enter three (3) first names then display the following:All the possible two-name combinations (Ask the user to select a name by entering 1 to 6.)The initials of the chosen combined name (Ex. John Ryan = JR)Suggested username based on the combined name (The name will be in small letters and the space will be changed to underscore. Ex. John Ryan = johnryan)

Easy Permutations and Combinations – BetterExplained