I”m writing a book where the main characters are triplets, however their names all end in ‘vim.’ Should I do something about this or will the names not be a problem?

How to give characters names that can easily be distinguished from names of other characters? This is something that irritates me often. Why do so many authors give names to their characters that are so similar to other characters’ names that the reader needs a written list to keep them apart? But it happens. Try …