The odd one out is PUS. The other four options, BHE, DJG, SYV, and JPM, are all three-letter words that start with a consonant and end with a vowel. PUS is a three-letter word that starts with a consonant and ends with a consonant.
BHE is a three-letter word that starts with the consonant B and ends with the vowel E. DJG is a three-letter word that starts with the consonant D and ends with the vowel G. SYV is a three-letter word that starts with the consonant S and ends with the vowel Y. JPM is a three-letter word that starts with the consonant J and ends with the vowel M.
PUS is a three-letter word that starts with the consonant P and ends with the consonant S. It is the only option that does not start with a consonant and end with a vowel.