विकल्पों में से उस संख्या की पहचान करें जो दूसरों की तुलना में एक विशिष्ट निरंतर अनुक्रमिक पैटर्न प्रदर्शित करती है।

Based on the alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that does not belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster)

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the one that does not belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)