Classification Choose Odd Letter Group - Base Level

There is no repetition of any letter in any other group.

In all other groups, a vowel is followed by a consonant repeated twice.

This is the only group containing two small letters.

In all other groups, the middle letter is small.

All other groups end with a vowel.

In all other groups, first and third letters as well as second and fourth letters are consecutive.

In all other groups, the second letter is 3 steps ahead of the first.

All other groups contain two consecutive vowels of the English alphabet.

In all other groups, the middle letter is a vowel.

All other groups contain three consecutive letters of the alphabet.