निम्नलिखित चार युग्मों में से तीन एक निश्चित स्वरूप का पालन करते हैं, जबकि एक युग्म नहीं करता है। उस युग्म की पहचान करें जो इस स्वरूप का पालन नहीं करता 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 man out is not based on the number of consonants/vowels or their position in the letter cluster)